117:. The number of thermal features in Yellowstone is estimated at 10,000. A study that was completed in 2011 found that a total of 1,283 geysers have erupted in Yellowstone, 465 of which are active during an average year. These are distributed among nine geyser basins, with a few geysers found in smaller thermal areas throughout the Park. The number of geysers in each geyser basin are as follows: Upper Geyser Basin (410), Midway Geyser Basin (59), Lower Geyser Basin (283), Norris Geyser Basin (193), West Thumb Geyser Basin (84), Gibbon Geyser Basin (24), Lone Star Geyser Basin (21), Shoshone Geyser Basin (107), Heart Lake Geyser Basin (69), other areas (33). Although famous large geysers like Old Faithful are part of the total, most of Yellowstone's geysers are small, erupting to only a foot or two. The hydrothermal system that supplies the geysers with hot water sits within an ancient active
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ascent until the bubbles are too big and numerous to pass freely through constrictions. At a critical point the confined bubbles actually lift the water above, causing the geyser to splash or overflow. This decreases the pressure of the system and violent boiling results. Large quantities of water flash into tremendous amounts of steam that force a jet of water out of the vent: an eruption begins. Water (and heat) is expelled faster than the geyser's recharge rate, gradually decreasing the system's pressure and eventually ending the eruption.
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1989, the same geyser apparently clogged with silica and blew up, throwing rocks more than 200 feet (61 m). In 2003 a park ranger observed it bubbling heavily, the first such activity seen since 1991. Activity increased dramatically in mid-2003. Because of high ground temperatures and new features beside the trail much of Back Basin was closed until
October. In 2004 the boardwalk was routed around the dangerous area and now leads behind Porkchop Geyser.
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1088:, that is, a hot spring that contains boiling mud instead of water. The mud is produced by a higher acidity in the water which enables the spring to dissolve surrounding minerals to create an opaque, usually grey, mud. Also there is Firehole Spring, Celestine Pool, Leather Pool, Red Spouter, Jelly spring, and a number of fumaroles.
1578:. This makes water from the springs so acidic that it has dissolved holes in the pants of people who sit on wet ground and causes mounds of sulfur three feet (1 m) high to develop around fumaroles. The very hot acidic water and steam have also created voids in the ground that are only covered by a thin crust.
1286:, including Potts Basin to the north, is the largest geyser basin on the shores of Yellowstone Lake. The heat source of the thermal features in this location is thought to be relatively close to the surface, only 10,000 feet (3,000 m) down. West Thumb is about the same size as another famous volcanic caldera,
153:'s high elevation the average boiling temperature at Yellowstone's geyser basins is 199 °F (93 °C). When properly confined and close to the surface it can periodically release some of the built-up pressure in eruptions of hot water and steam that can reach up to 390 feet (120 m) into the air (see
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and south of
Yellowstone Lake, Heart Lake was named sometime before 1871 for Hart Hunney, a hunter. Other explorers in the region incorrectly assumed that the lake's name was spelled 'heart' because of its shape. The Heart Lake Geyser Basin begins a couple miles from the lake and descends along Witch
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A series of shallow earthquakes associated with the volcanic activity in
Yellowstone struck this area in 1978. Soil temperatures increased to nearly 200 °F (93 °C). The slope between Sizzling Basin and Mud Geyser, once covered with green grass and trees, became a barren landscape of fallen
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Evidence of glacial activity is common, and it is one of the keys that allows geysers to exist. Glacier till deposits underlie the geyser basins providing storage areas for the water used in eruptions. Many landforms, such as
Porcupine Hills north of Fountain Flats, are made up of glacial gravel and
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located in Upper Geyser Basin, Steamboat has an erratic and lengthy timetable between major eruptions. During major eruptions, which may be separated by intervals of more than a year (the longest recorded span between major eruptions was 50 years), Steamboat erupts over 300 feet (90 m) into the air.
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Norris Geyser Basin periodically undergoes a large-scale, basin-wide thermal disturbance lasting a few weeks. Water levels fluctuate, and temperatures, pH, colors, and eruptive patterns change throughout the basin. During a disturbance in 1985, Porkchop Geyser continually jetted steam and water; in
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is dissolved from the fractured rhyolite into the hot water as it travels through the fractured rock. Part of this hard mineral is later redeposited on the walls of the cracks and fissures to make a nearly pressure-tight system. Silica precipitates at the surface to form either geyserite or sinter,
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are located away from the road and require at least several miles of hiking to reach. These areas lack the boardwalks and other safety features of the developed areas. As falling into geothermal features can be fatal, it is usually advisable to visit these areas with an experienced guide or at the
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are a type of geothermal feature that periodically erupt scalding hot water. Increased pressure exerted by the enormous weight of the overlying rock and water prevents deeper water from boiling. As the hot water rises it is under less pressure and steam bubbles form. They, in turn, expand on their
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to an average of 204 °F (95.5 °C) as it leaves the vent. The water cools significantly while airborne and is no longer scalding hot by the time it strikes the ground, nearby boardwalks, or even spectators. Because of the high temperatures of the water in the features it is important that
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are the most common hydrothermal features in the park. Their plumbing has no constrictions. Superheated water cools as it reaches the surface, sinks, and is replaced by hotter water from below. This circulation, called convection, prevents water from reaching the temperature needed to set off an
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The thermal features at West Thumb are not only found on the lake shore, but extend under the surface of the lake as well. Several underwater hydrothermal features were discovered in the early 1990s and can be seen as slick spots or slight bulges in the summer. During the winter, the underwater
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described a unique event while a man was fishing adjacent to the cone: "...in swinging a trout ashore, it accidentally got off the hook and fell into the spring. For a moment it darted about with wonderful rapidity, as if seeking an outlet. Then it came to the top, dead, and literally boiled."
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is a large, acidic hydrothermal area (solfatara) with many fumaroles. In the late 19th and early 20th centuries, the number, size, and power of the fumaroles were much greater than today. The fumaroles are most easily seen in the cooler, low-light conditions of morning and evening.
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gas is present deep in the earth at Mud
Volcano and is oxidized to sulfuric acid by microbial activity, which dissolves the surface soils to create pools and cones of clay and mud. Along with hydrogen sulfide, steam, carbon dioxide, and other gases explode through the layers of
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are where most of the large geothermal areas are located. Smaller geothermal areas can be found where fault lines reach the surface, in places along the circular fracture zone around the caldera, and at the base of slopes that collect excess groundwater. Due to the
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as lava and caused the surface above the emptied magma chamber to collapse. Water later filled the collapsed area of the caldera, forming an extension of
Yellowstone Lake. This created the source of heat and water that feed the West Thumb Geyser Basin today.
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1568:, reached by hiking or by boat, contains one of the highest concentrations of geysers in the world – more than 80 in an area 1,600 by 800 feet (490 by 240 m). Hot springs and mudpots dot the landscape between the geyser basin and Shoshone Lake.
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Cross, Jeff. "How many geysers are found in
Yellowstone?" Program and Abstracts, The 11th Biennial Scientific Conference on the Greater Yellowstone Ecosystem. October 8–10, 2012, Mammoth Hot Springs Hotel, Yellowstone National Park,
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which is about 1,400 feet (430 m) northwest of Old
Faithful. Castle Geyser has an interval of approximately 13 hours between major eruptions, but is unpredictable after minor eruptions. The other three predictable geysers are
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artifacts have been found at
Mammoth Hot Springs and other geothermal areas in Yellowstone. Some accounts state that the early people used hot water from the geothermal features for bathing and cooking. In the 19th century Father
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West Thumb was created approximately 162,000 years ago when a magma chamber bulged up under the surface of the earth and subsequently cracked it along ring fracture zones. This in turn released the enclosed
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is located 15 miles (24 km) north-northeast of
Fishing Bridge and has one of Yellowstone's largest collections of hot springs and fumaroles. The geothermal features there release large amounts of
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Fishing Cone erupted frequently to the height of 40 feet (12 m) in 1919 and to lesser heights in 1939. One fisherman was badly burned in Fishing Cone in 1921. Fishing at the geyser is now prohibited.
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The Basin consists of three main areas: Porcelain Basin, Back Basin, and One Hundred Springs Plain. Unlike most of other geyser basins in the park, the waters from Norris are acidic rather than
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lava flows. These flows, occurring long after the catastrophic eruption of 640,000 years ago, flowed across the landscape like stiff mounds of bread dough due to their high silica content.
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traveled north of the Yellowstone area in 1806. Local natives that they came upon seldom dared to enter what we now know is the caldera because of frequent loud noises that sounded like
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1080:, which is the largest geyser basin in area, covering approximately 11 square miles. Due to its large size, it has a much less concentrated set of geothermal features, including
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Signs of the forces of erosion can be seen everywhere, from runoff channels carved across the sinter in the geyser basins to the drainage created by the Firehole River.
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recounted in 1830 that the steam rising from the various geyser basins reminded him of smoke coming from industrial smokestacks on a cold winter morning in
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The various geyser basins are located where rainwater and snowmelt can percolate into the ground, get indirectly superheated by the underlying
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Creek to the lakeshore. Five groups of hydrothermal features comprise the basin, and all of them contain geysers, although some are dormant.
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thermal features are visible as melt holes in the icy surface of the lake. The surrounding ice can reach three feet (one yard) in thickness.
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spectators remain on the boardwalks and designated trails. Several deaths have occurred in the park as a result of falls into hot springs.
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are primarily mud pots and fumaroles because the area is situated on a perched water system with little water available. Fumaroles or "
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West Thumb Hamilton's Store, General Store, 300' east of Grand Loop Road & 150' northwest of Ranger Station, West Thumb, Teton, WY
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1784:" occur when the ground water boils away faster than it can be recharged. Also, the vapors are rich in sulfuric acid that leaches the
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reported that natives he interviewed thought that geyser eruptions were "the result of combat between the infernal spirits". The
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Algae on left bacteria on right at the intersection of flows from the Constant & Whirlgig Geysers at Norris Geyser Basin
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creating the massive geyser cones, the scalloped edges of hot springs, and the seemingly barren landscape of geyser basins.
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Aerial view of the Midway Geyser Basin, showing the Grand Prismatic Spring, Excelsior Geyser, Turquoise Pool, and Opal Pool
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West Thumb Ranger Station, East of Old Faithful & north of Grant Village on Grand Loop Road, West Thumb, Teton, WY
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boundary, their energy has been attributed to the same magmatic system that fuels other Yellowstone geothermal areas.
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Steamboat does not lie dormant between eruptions, instead displaying minor eruptions of approximately 40 feet (12 m).
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intrusion into their realm. The first white man known to travel into the caldera and see the geothermal features was
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is a small hydrothermal area south of Norris Junction that includes colorful hot springs and two large mudpots.
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white rock of the terraces. These features constantly and quickly change due to the rapid rate of deposition.
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The Ragged Hills that lie between Back Basin and One Hundred Springs Plain are thermally altered glacial
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from the Old Faithful area. They had a choice of continuing on the stagecoach or boarding the steamship
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in the south-central portion of Yellowstone, southeast of most of the main geyser basins. Lying in the
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995:. The largest hot spring in Yellowstone, the 370-foot-wide (110 m) and 121-foot-deep (37 m)
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157:, the world's tallest geyser). Water erupting from Yellowstone's geysers is superheated above that
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Perhaps the most famous hydrothermal feature at West Thumb is a geyser on the lake shore known as
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which pours over 4,000 U.S. gallons (15,000 L; 3,300 imp gal) per minute into the
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to live at Norris, creating different color patterns in and around the Norris Basin waters.
459:. The Norris-Mammoth Corridor is a fault that runs from Norris north through Mammoth to the
352:). Thermal waters rise through the limestone, carrying high amounts of dissolved carbonate.
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799:. Biscuit Basin and Black Sand Basin are also within the boundaries of Upper Geyser Basin.
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eruption. The Gibbon Falls lies on the caldera boundary as does Virginia Cascades.
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is the hottest geyser basin in the park and is located near the northwest edge of
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reach a height of 8,262 feet (2,518 m), dividing the country into two distinct
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are reminders that 70,000 to 14,000 years ago, this area was buried under ice.
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The hills surrounding Old Faithful and the Upper Geyser Basin are reminders of
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The heat that drives geothermal activity in the Yellowstone area comes from
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is evident on the drive south of Old Faithful, toward Craig Pass. Here the
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There are at least five types of geothermal features found at Yellowstone:
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very least, travelers need to ensure they remain on well-marked trails.
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has a pH of ~3.5). The difference in pH allows for a different class of
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Geyser basins and other geothermal features in Yellowstone National Park
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2214:. Geyser Observation and Study Association (GOSA). 2006. Archived from
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that extends to a depth of 3,000 to 6,000 feet (900 to 1,800 m) and is
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from surrounding rock transfers heat to an overlaying layer of fresh
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and the belief that the spirits that possessed the area did not like
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which erupts nearly continuously to heights of 45 feet (14 m),
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deposits similar to the siliceous spires discovered on the floor of
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contains several groups of geysers and deep blue hot springs near
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Harris, Ann G.; Tuttle, Esther; and Tuttle, Sherwood D. (1995).
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eruption. Many hot springs give rise to streams of heated water.
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2378:. The Geyser Observation and Study Organization. Archived from
2272:
Geological Overview of the Grant Village & West Thumb Areas
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is released at the surface and calcium carbonate deposited as
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near Norris Junction and on the intersection of three major
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2239:. Geyser Observation and Study Association. Archived from
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is much smaller than the other basins found alongside the
475:(sources vary on exact magnitude between 7.1 and 7.8; see
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and Norris. The most accessible feature in the basin is
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stream channels cut through lava flows formed after the
121:. Many of the thermal features in Yellowstone build up
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includes several thermal areas in the vicinity of the
2395:"Yellowstone National Park Thermal Features Database"
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463:, area. The Hebgen Lake fault runs from northwest of
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South of Norris along the rim of the caldera is the
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1310:Geyser cone under water at West Thumb Geyser Basin
1840:. Niwot, Colorado: University Press of Colorado.
3601:Geothermal features of Yellowstone National Park
2263:Yellowstone Resources and Issues: 2006, page 198
2187:Yellowstone Resources and Issues, 2006, page 194
2166:Yellowstone Resources and Issues, 2006, page 193
274:, the result is loud hissing of steam and gases.
693:has no active geysers, but its 'monuments' are
1334:Early visitors would arrive at West Thumb via
319:hot springs with a limited water supply. Some
85:Excelsior Geyser at night, Midway Geyser Basin
3626:Historic American Buildings Survey in Wyoming
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2309:For the whole paragraph, except where noted:
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202:called it "the place where Hell bubbled up".
8:
2326:. Yellowstone Geothermal Features Database.
2175:Geological Overview of the Old Faithful Area
1942:"Old Faithful Area Natural Features, Page 1"
2012:
2010:
2008:
2006:
1673:. Unsourced material may be challenged and
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2397:. Montana State University. Archived from
2198:"Yellowstone Geysers, Lower Geyser Basin"
1878:"Hydrothermal Features and How They Work"
1693:Learn how and when to remove this message
824:Blue Star Spring near Old Faithful Geyser
637:, with a small boardwalk right along the
1954:"Grant Village Area Geologic Highlights"
1898:"Geological Overview of the Norris Area"
1852:Geology of national parks: fifth edition
918:
531:The tallest active geyser in the world,
1983:
1968:. National Park Service. Archived from
1956:. National Park Service. Archived from
1944:. National Park Service. Archived from
1932:. National Park Service. Archived from
1930:"Old Faithful Area Geologic Highlights"
1912:. National Park Service. Archived from
1900:. National Park Service. Archived from
1888:. National Park Service. Archived from
1868:. National Park Service. Archived from
1820:List of Yellowstone geothermal features
1805:trees known as "the cooking hillside".
1144:
1091:Geysers in Lower Geyser Basin include
849:
467:, to Norris. This fault experienced an
77:Steamboat Geyser at Norris Geyser Basin
3621:Landforms of Yellowstone National Park
2286:Yellowstone Resources and Issues: 2006
2155:Yellowstone Resources and Issues: 2006
2135:Geological Overview of the Norris Area
2109:Yellowstone Resources and Issues: 2006
382:Porcelain Basin at Norris Geyser Basin
2368:"Yellowstone Photos & Multimedia"
2144:Natural Highlights of the Norris Area
1990:Geothermal Features and How They Work
1621:Mammoth Hot Springs Historic District
1163:Clepsydra Geyser erupting. July 2019
226:the hot but mostly solid part of the
7:
1671:adding citations to reliable sources
1342:to continue the journey by water to
999:is found here. Also in the basin is
1966:"Mammoth Hot Springs Terraces Tour"
1866:"Natural Highlights of Yellowstone"
1115:), the Pink Cone group of geysers (
331:, which breaks down rock into clay.
206:Types of features found in the park
2417:Historic American Buildings Survey
1557:, of which the primary feature is
1328:Washburn-Langford-Doane Expedition
1019:Silex Spring at Fountain Paint Pot
729:Sawmill and Grand geysers erupting
25:
1854:. Iowa: Kendall/Hunt Publishing.
1712:Hayden Valley geothermal features
1590:Dead trees at Mammoth Hot Springs
486:Cistern Spring in the Back Basin.
471:in 1959 that measured 7.4 on the
133:deposits around and within them.
3574:
3116:
2683:Regional designations of Montana
2298:Yellowstone Resources and Issues
1910:"Norris Area Natural Highlights"
1705:
1643:
1378:
1366:
1354:
1229:
1185:
1168:
1147:
1023:
927:
892:
871:
852:
816:Black Opal Pool at Biscuit Basin
713:
568:
394:
1635:Mud Volcano and Sulphur Caldron
1225:Overflow areas of Silex springs
551:Overview of Artists' Paintpots.
91:geothermal areas of Yellowstone
1139:), as well as Sizzler Geyser.
1:
2041:Hamilton, John (2010-09-01).
198:. In the 1850s famed trapper
230:that contains Yellowstone's
2047:. ABDO Publishing Company.
477:1959 Hebgen Lake earthquake
63:GPX (secondary coordinates)
3642:
2284:For the whole paragraph:
1886:"Norris Geyser Basin Tour"
1838:The Geysers of Yellowstone
1593:
1084:. Fountain Paint Pots are
244:of the churning brine and
176:Lewis and Clark Expedition
3570:
3174:
3112:
2525:Congressional delegations
2493:
2153:For the whole paragraph:
2044:Yellowstone National Park
1613:Yellowstone National Park
1350:Backcountry Geyser Basins
465:West Yellowstone, Montana
99:Yellowstone National Park
58:GPX (primary coordinates)
33:Map all coordinates using
2376:"Geysers of Yellowstone"
2370:. National Park Service.
2328:Montana State University
2200:. Yellowstone.net. 2019.
2123:Norris Geyser Basin Tour
1924:. National Park Service.
1880:. National Park Service.
1836:Bryan, T. Scott (1995).
1788:, breaking it down into
1772:The thermal features at
1553:and Old Faithful is the
196:Pittsburgh, Pennsylvania
41:Download coordinates as:
1531:Heart Lake Geyser Basin
1425:Heart Lake Geyser Basin
1361:Heart Lake Geyser Basin
1276:West Thumb Geyser Basin
1243:West Thumb Geyser Basin
1236:West Thumb Geyser Basin
1217:West Thumb Geyser Basin
1209:West Thumb Geyser Basin
18:West Thumb Geyser Basin
3611:Hot springs of Wyoming
2313:, page 73, paragraph 5
2311:Windows into the Earth
2092:Windows into the Earth
2080:Windows into the Earth
2068:Windows into the Earth
2029:Windows into the Earth
2017:Windows into the Earth
1825:Hydrothermal explosion
1769:
1749:44.62472°N 110.43417°W
1729:Dragon's Mouth Spring
1722:
1603:is a large complex of
1591:
1555:Lone Star Geyser Basin
1504:44.35444°N 110.79917°W
1482:Shoshone Geyser Basins
1470:Lone Star Geyser Basin
1459:44.41389°N 110.81778°W
1414:44.30000°N 110.51556°W
1373:Lone Star Geyser Basin
1311:
1265:44.41861°N 110.57306°W
1226:
1218:
1059:44.54944°N 110.83583°W
1020:
997:Grand Prismatic Spring
962:44.51778°N 110.83222°W
924:
825:
817:
757:44.46444°N 110.82917°W
730:
672:44.68417°N 110.75389°W
604:44.69944°N 110.74278°W
552:
528:
487:
430:44.72861°N 110.70444°W
391:
383:
299:Grand Prismatic Spring
86:
78:
2678:Glacier National Park
2342:"What is Travertine?"
2324:"Mammoth Hot Springs"
1728:
1720:
1714:at Wikimedia Commons
1594:Further information:
1589:
1566:Shoshone Geyser Basin
1515:Shoshone Geyser Basin
1387:at Wikimedia Commons
1385:Shoshone Geyser Basin
1375:at Wikimedia Commons
1363:at Wikimedia Commons
1309:
1238:at Wikimedia Commons
1224:
1216:
1093:Great Fountain Geyser
1035:Farther north is the
1032:at Wikimedia Commons
1018:
936:at Wikimedia Commons
922:
823:
815:
728:
722:at Wikimedia Commons
683:Monument Geyser Basin
650:Monument Geyser Basin
577:at Wikimedia Commons
550:
526:
485:
403:at Wikimedia Commons
389:
381:
348:(a rock type made of
84:
76:
53:GPX (all coordinates)
3616:Volcanism of Wyoming
3311:Powder River Country
1754:44.62472; -110.43417
1667:improve this section
1509:44.35444; -110.79917
1464:44.41389; -110.81778
1419:44.30000; -110.51556
1270:44.41861; -110.57306
1064:44.54944; -110.83583
967:44.51778; -110.83222
762:44.46444; -110.82917
677:44.68417; -110.75389
609:44.69944; -110.74278
435:44.72861; -110.70444
335:Travertine terraces:
2589:Tourist attractions
2577:The Last Best Place
1744: /
1601:Mammoth Hot Springs
1596:Mammoth Hot Springs
1582:Mammoth Hot Springs
1499: /
1454: /
1409: /
1260: /
1180:Fountain Paint Pots
1082:Fountain Paint Pots
1054: /
973:Midway Geyser Basin
957: /
940:Midway Geyser Basin
934:Midway Geyser Basin
915:Midway Geyser Basin
780:Old Faithful Geyser
752: /
703:Pinedale Glaciation
667: /
615:Gibbon Geyser Basin
599: /
582:Gibbon Geyser Basin
575:Gibbon Geyser Basin
564:Gibbon Geyser Basin
537:Old Faithful Geyser
453:Yellowstone Caldera
441:Norris Geyser Basin
425: /
408:Norris Geyser Basin
401:Norris Geyser Basin
390:Norris Geyser Basin
374:Norris Geyser Basin
342:Mammoth Hot Springs
338:Travertine terraces
313:Fountain Paint Pots
172:Pierre-Jean De Smet
151:Yellowstone Plateau
138:Yellowstone hotspot
3606:Geysers of Wyoming
3581:Wyoming portal
3123:Montana portal
2212:"Clepsydra Geyser"
1922:"Steamboat Geyser"
1770:
1723:
1592:
1541:watershed east of
1312:
1227:
1219:
1070:Lower Geyser Basin
1037:Lower Geyser Basin
1030:Lower Geyser Basin
1021:
1011:Lower Geyser Basin
925:
826:
818:
768:Upper Geyser Basin
735:Upper Geyser Basin
731:
720:Upper Geyser Basin
709:Upper Geyser Basin
643:Artists' Paintpots
553:
529:
488:
392:
384:
344:, are formed from
87:
79:
3588:
3587:
3130:
3129:
2344:. Travertine Info
2237:"Pink Cone Group"
2054:978-1-61784-302-0
1710:Media related to
1703:
1702:
1695:
1625:calcium carbonate
1524:
1479:
1434:
1383:Media related to
1371:Media related to
1359:Media related to
1285:
1234:Media related to
1200:White Dome Geyser
1195:
1175:
1158:
1137:White Dome Geyser
1079:
1028:Media related to
982:
932:Media related to
899:
880:
859:
834:Mountain building
777:
718:Media related to
692:
624:
573:Media related to
555:North of Norris,
461:Gardiner, Montana
450:
399:Media related to
350:calcium carbonate
105:features such as
101:as well as other
16:(Redirected from
3633:
3579:
3578:
3577:
3157:
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3143:
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2301:
2300:, 2006, page 200
2295:
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2014:
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1991:
1988:
1973:
1961:
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1937:
1925:
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1893:
1881:
1873:
1794:Hydrogen sulfide
1768:
1767:
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1764:
1763:
1761:
1756:
1755:
1750:
1745:
1742:
1741:
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1721:Churning Caldron
1709:
1698:
1691:
1687:
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1678:
1647:
1639:
1617:Fort Yellowstone
1572:Hot Spring Basin
1559:Lone Star Geyser
1523:
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1197:
1196:
1177:
1176:
1160:
1159:
1133:Pink Cone Geyser
1125:Narcissus Geyser
1103:, Jelly Geyser,
1097:Clepsydra Geyser
1078:
1077:
1075:
1074:
1073:
1071:
1066:
1065:
1060:
1055:
1052:
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989:Excelsior Geyser
981:
980:
978:
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974:
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886:Riverside Geyser
882:
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797:Riverside Geyser
776:
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772:
771:
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699:Yellowstone Lake
695:siliceous sinter
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557:Roaring Mountain
533:Steamboat Geyser
449:
448:
446:
445:
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442:
437:
436:
431:
426:
423:
422:
421:
418:
410:
398:
325:hydrogen sulfide
272:Roaring Mountain
155:Steamboat Geyser
146:glacial moraines
93:include several
21:
3641:
3640:
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3634:
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3117:
3115:
3108:
2949:Lewis and Clark
2815:
2697:
2688:Western Montana
2668:Eastern Montana
2654:
2593:
2562:Protected areas
2501:
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2196:
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2157:, pages 190–191
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2015:
2004:
1998:
1994:
1989:
1985:
1980:
1964:
1952:
1940:
1928:
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1908:
1896:
1884:
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1778:Sulphur Caldron
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1324:Walter Trumbull
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1101:Fountain Geyser
1069:
1067:
1063:
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1057:
1056:
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872:
867:
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853:
838:Rocky Mountains
767:
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711:
682:
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639:Grand Loop Road
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371:
236:pressure cooker
208:
167:Native American
71:
70:
69:
68:
67:
28:
23:
22:
15:
12:
11:
5:
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3608:
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3286:
3285:
3283:
3282:
3277:
3272:
3267:
3262:
3257:
3252:
3247:
3245:Climate change
3242:
3236:
3234:
3230:
3229:
3227:
3226:
3224:Radio stations
3221:
3216:
3211:
3206:
3201:
3196:
3190:
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2758:
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2748:
2743:
2738:
2736:Columbia Falls
2733:
2728:
2723:
2718:
2713:
2707:
2705:
2703:Largest cities
2699:
2698:
2696:
2695:
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2685:
2680:
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2670:
2664:
2662:
2656:
2655:
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2622:
2617:
2612:
2607:
2601:
2599:
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2592:
2591:
2586:
2584:Transportation
2581:
2580:
2579:
2569:
2564:
2559:
2554:
2553:
2552:
2542:
2537:
2532:
2527:
2522:
2520:Climate change
2517:
2511:
2509:
2503:
2502:
2494:
2491:
2490:
2481:
2479:
2478:
2471:
2464:
2456:
2450:
2449:
2425:at HABS, also
2420:
2410:
2391:
2372:
2362:
2361:External links
2359:
2356:
2355:
2333:
2315:
2302:
2290:
2274:
2265:
2253:
2228:
2203:
2189:
2177:
2168:
2159:
2146:
2137:
2125:
2113:
2096:
2084:
2072:
2060:
2053:
2033:
2021:
2002:
1992:
1982:
1981:
1979:
1976:
1975:
1974:
1972:on 2010-06-09.
1962:
1960:on 2010-05-18.
1950:
1948:on 2010-08-30.
1938:
1936:on 2010-05-28.
1926:
1918:
1916:on 2010-05-30.
1906:
1904:on 2010-05-08.
1894:
1892:on 2010-06-05.
1882:
1874:
1872:on 2010-08-28.
1862:
1848:
1832:
1829:
1828:
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1179:
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1141:
1117:Dilemma Geyser
1109:Morning Geyser
1012:
1009:
1001:Turquoise Pool
993:Firehole River
985:Firehole River
916:
913:
909:
908:
903:
891:
889:
884:
870:
868:
863:
851:
848:
847:
846:
710:
707:
565:
562:
496:Echinus Geyser
494:(for example,
375:
372:
370:
367:
366:
365:
354:Carbon dioxide
332:
321:microorganisms
303:
289:
275:
207:
204:
66:
65:
60:
55:
50:
44:
38:
31:
30:
29:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
3638:
3627:
3624:
3622:
3619:
3617:
3614:
3612:
3609:
3607:
3604:
3602:
3599:
3598:
3596:
3583:
3582:
3569:
3563:
3560:
3558:
3555:
3553:
3550:
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3545:
3543:
3540:
3538:
3535:
3533:
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3528:
3525:
3523:
3520:
3518:
3515:
3513:
3510:
3508:
3505:
3503:
3500:
3498:
3495:
3493:
3490:
3488:
3485:
3483:
3480:
3478:
3475:
3473:
3470:
3468:
3465:
3463:
3460:
3458:
3455:
3453:
3450:
3449:
3447:
3445:
3441:
3435:
3432:
3430:
3427:
3425:
3422:
3420:
3417:
3415:
3412:
3410:
3407:
3405:
3402:
3400:
3397:
3395:
3392:
3390:
3387:
3385:
3382:
3380:
3377:
3375:
3372:
3370:
3367:
3365:
3362:
3360:
3357:
3355:
3352:
3350:
3347:
3345:
3342:
3340:
3337:
3336:
3334:
3332:
3328:
3322:
3319:
3317:
3314:
3312:
3309:
3307:
3304:
3302:
3299:
3297:
3294:
3293:
3291:
3287:
3281:
3278:
3276:
3273:
3271:
3268:
3266:
3263:
3261:
3258:
3256:
3253:
3251:
3248:
3246:
3243:
3241:
3238:
3237:
3235:
3231:
3225:
3222:
3220:
3219:State symbols
3217:
3215:
3212:
3210:
3207:
3205:
3202:
3200:
3197:
3195:
3192:
3191:
3189:
3185:
3180:
3179:
3173:
3169:
3165:
3158:
3153:
3151:
3146:
3144:
3139:
3138:
3135:
3125:
3124:
3111:
3105:
3102:
3100:
3097:
3095:
3092:
3090:
3087:
3085:
3082:
3080:
3077:
3075:
3072:
3070:
3067:
3065:
3062:
3060:
3057:
3055:
3052:
3050:
3047:
3045:
3042:
3040:
3037:
3035:
3032:
3030:
3027:
3025:
3022:
3020:
3017:
3015:
3012:
3010:
3007:
3005:
3002:
3000:
2997:
2995:
2992:
2990:
2987:
2985:
2982:
2980:
2977:
2975:
2972:
2970:
2967:
2965:
2962:
2960:
2957:
2955:
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2947:
2945:
2942:
2940:
2937:
2935:
2932:
2930:
2927:
2925:
2922:
2920:
2919:Golden Valley
2917:
2915:
2912:
2910:
2907:
2905:
2902:
2900:
2897:
2895:
2892:
2890:
2887:
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2880:
2877:
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2867:
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2822:
2818:
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2809:
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2799:
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2792:
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2779:
2777:
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2759:
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2754:
2752:
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2737:
2734:
2732:
2729:
2727:
2724:
2722:
2719:
2717:
2714:
2712:
2709:
2708:
2706:
2704:
2700:
2694:
2691:
2689:
2686:
2684:
2681:
2679:
2676:
2674:
2671:
2669:
2666:
2665:
2663:
2661:
2657:
2651:
2648:
2646:
2643:
2641:
2638:
2636:
2633:
2631:
2628:
2626:
2623:
2621:
2618:
2616:
2613:
2611:
2608:
2606:
2603:
2602:
2600:
2596:
2590:
2587:
2585:
2582:
2578:
2575:
2574:
2573:
2572:State symbols
2570:
2568:
2565:
2563:
2560:
2558:
2555:
2551:
2548:
2547:
2546:
2543:
2541:
2538:
2536:
2533:
2531:
2528:
2526:
2523:
2521:
2518:
2516:
2513:
2512:
2510:
2508:
2504:
2499:
2498:
2492:
2488:
2484:
2477:
2472:
2470:
2465:
2463:
2458:
2457:
2454:
2448:
2445:
2442:
2439:
2436:
2433:
2430:
2427:
2424:
2421:
2418:
2414:
2411:
2401:on 2008-05-14
2400:
2396:
2392:
2382:on 2009-02-01
2381:
2377:
2373:
2369:
2365:
2364:
2360:
2343:
2337:
2334:
2329:
2325:
2319:
2316:
2312:
2306:
2303:
2299:
2294:
2291:
2287:
2281:
2279:
2275:
2269:
2266:
2260:
2258:
2254:
2243:on 2010-11-29
2242:
2238:
2232:
2229:
2218:on 2010-09-29
2217:
2213:
2207:
2204:
2199:
2193:
2190:
2184:
2182:
2178:
2172:
2169:
2163:
2160:
2156:
2150:
2147:
2141:
2138:
2132:
2130:
2126:
2120:
2118:
2114:
2110:
2105:
2103:
2101:
2097:
2093:
2088:
2085:
2081:
2076:
2073:
2069:
2064:
2061:
2056:
2050:
2046:
2045:
2037:
2034:
2030:
2025:
2022:
2018:
2013:
2011:
2009:
2007:
2003:
1996:
1993:
1987:
1984:
1977:
1971:
1967:
1963:
1959:
1955:
1951:
1947:
1943:
1939:
1935:
1931:
1927:
1923:
1919:
1915:
1911:
1907:
1903:
1899:
1895:
1891:
1887:
1883:
1879:
1875:
1871:
1867:
1863:
1861:
1860:0-7872-5353-7
1857:
1853:
1849:
1847:
1846:0-87081-365-X
1843:
1839:
1835:
1834:
1830:
1826:
1823:
1821:
1818:
1816:
1813:
1812:
1808:
1806:
1802:
1800:
1795:
1791:
1787:
1783:
1779:
1775:
1766:
1727:
1719:
1715:
1713:
1708:
1697:
1694:
1686:
1676:
1672:
1668:
1662:
1661:
1657:
1652:This section
1650:
1646:
1641:
1640:
1634:
1632:
1630:
1626:
1622:
1618:
1614:
1610:
1607:on a hill of
1606:
1602:
1597:
1588:
1581:
1579:
1577:
1573:
1569:
1567:
1562:
1560:
1556:
1552:
1551:Shoshone Lake
1547:
1544:
1540:
1536:
1532:
1527:
1521:
1483:
1476:
1438:
1431:
1393:
1388:
1386:
1381:
1376:
1374:
1369:
1364:
1362:
1357:
1349:
1347:
1345:
1341:
1337:
1332:
1329:
1325:
1321:
1316:
1308:
1304:
1301:
1295:
1293:
1289:
1282:
1244:
1239:
1237:
1232:
1223:
1215:
1208:
1183:
1166:
1145:
1140:
1138:
1134:
1130:
1126:
1122:
1121:Labial Geyser
1118:
1114:
1110:
1106:
1102:
1098:
1094:
1089:
1087:
1083:
1076:
1038:
1033:
1031:
1026:
1017:
1010:
1008:
1006:
1002:
998:
994:
990:
986:
979:
941:
937:
935:
930:
921:
914:
906:
905:Grotto Geyser
890:
887:
869:
866:
850:
845:
843:
839:
835:
830:
822:
814:
810:
808:
805:
800:
798:
794:
790:
785:
784:Castle Geyser
781:
774:
736:
727:
723:
721:
716:
708:
706:
704:
700:
696:
689:
651:
646:
644:
640:
636:
632:
628:
621:
583:
578:
576:
571:
563:
561:
558:
549:
545:
541:
538:
534:
525:
521:
519:
515:
511:
506:
504:
501:
497:
493:
484:
480:
478:
474:
473:Richter scale
470:
466:
462:
458:
454:
447:
409:
404:
402:
397:
388:
380:
373:
369:Geyser basins
368:
363:
359:
355:
351:
347:
343:
339:
336:
333:
330:
329:sulfuric acid
326:
322:
318:
314:
310:
307:
304:
300:
296:
293:
290:
286:
282:
279:
276:
273:
269:
266:
263:
262:
261:
258:
255:
251:
247:
243:
239:
237:
233:
232:magma chamber
229:
225:
221:
217:
216:volcanic rock
213:
205:
203:
201:
197:
193:
189:
185:
181:
177:
173:
168:
163:
160:
159:boiling point
156:
152:
147:
143:
139:
134:
132:
128:
124:
120:
116:
112:
108:
104:
100:
96:
92:
83:
75:
64:
61:
59:
56:
54:
51:
49:
46:
45:
43:
42:
37:
36:OpenStreetMap
34:
19:
3572:
3419:Rock Springs
3255:Demographics
3194:Bibliography
3176:
3114:
3014:Powder River
2939:Judith Basin
2673:The Flathead
2625:Demographics
2550:bibliography
2495:
2403:. Retrieved
2399:the original
2384:. Retrieved
2380:the original
2346:. Retrieved
2336:
2318:
2310:
2305:
2297:
2293:
2285:
2268:
2245:. Retrieved
2241:the original
2231:
2220:. Retrieved
2216:the original
2206:
2192:
2171:
2162:
2154:
2149:
2140:
2108:
2091:
2087:
2079:
2075:
2067:
2063:
2043:
2036:
2028:
2024:
2016:
1995:
1986:
1970:the original
1958:the original
1946:the original
1934:the original
1914:the original
1902:the original
1890:the original
1870:the original
1851:
1837:
1803:
1777:
1773:
1771:
1704:
1689:
1680:
1665:Please help
1653:
1615:adjacent to
1600:
1599:
1571:
1570:
1565:
1563:
1554:
1548:
1530:
1528:
1481:
1436:
1391:
1389:
1377:
1365:
1353:
1339:
1333:
1326:of the 1870
1320:Fishing Cone
1317:
1313:
1296:
1242:
1240:
1228:
1113:Spasm Geyser
1090:
1085:
1036:
1034:
1022:
939:
938:
926:
865:Old Faithful
831:
827:
801:
793:Daisy Geyser
789:Grand Geyser
734:
732:
712:
649:
647:
642:
635:Beryl Spring
631:Gibbon Falls
627:Gibbon River
581:
579:
567:
554:
542:
530:
507:
503:thermophiles
489:
407:
405:
393:
334:
305:
292:Hot springs:
291:
285:Old Faithful
277:
264:
259:
240:
223:
209:
165:Prehistoric
164:
135:
90:
88:
40:
39:
32:
3492:Hot Springs
3374:Green River
3321:Yellowstone
3306:Great Basin
3301:Grand Teton
3296:Black Hills
3275:LGBT rights
3204:Delegations
3104:Yellowstone
3069:Sweet Grass
2989:Musselshell
2751:Great Falls
2693:Yellowstone
2650:LGBT rights
1815:Mud volcano
1782:steam vents
1774:Mud Volcano
1760:Mud Volcano
1752: /
1739:110°26′03″W
1683:August 2021
1605:hot springs
1539:Snake River
1507: /
1494:110°47′57″W
1462: /
1449:110°49′04″W
1417: /
1404:110°30′56″W
1288:Crater Lake
1268: /
1255:110°34′23″W
1129:Pink Geyser
1062: /
1049:110°50′09″W
965: /
952:110°49′56″W
760: /
747:110°49′45″W
675: /
662:110°45′14″W
607: /
594:110°44′34″W
433: /
420:110°42′16″W
340:, found at
295:Hot springs
250:groundwater
200:Jim Bridger
192:Joseph Meek
188:John Colter
107:hot springs
3595:Categories
3542:Sweetwater
3429:Torrington
3316:Red Desert
3064:Stillwater
3059:Silver Bow
2884:Deer Lodge
2844:Broadwater
2829:Beaverhead
2791:Miles City
2786:Livingston
2535:Government
2405:2008-02-13
2386:2009-02-02
2288:, page 199
2247:2010-11-14
2222:2020-07-03
1831:References
1758: (
1736:44°37′29″N
1609:travertine
1543:Lewis Lake
1535:Heart Lake
1513: (
1491:44°21′16″N
1468: (
1446:44°24′50″N
1423: (
1401:44°18′00″N
1392:Heart Lake
1344:Lake Hotel
1336:stagecoach
1274: (
1252:44°25′07″N
1105:Jet Geyser
1068: (
1046:44°32′58″N
971: (
949:44°31′04″N
842:watersheds
804:Quaternary
766: (
744:44°27′52″N
681: (
659:44°41′03″N
613: (
591:44°41′58″N
469:earthquake
439: (
417:44°43′43″N
358:travertine
265:Fumaroles:
246:conduction
242:Convection
144:flows and
131:travertine
103:geothermal
97:basins in
3399:Newcastle
3265:Education
3199:Governors
3181:(capital)
3094:Wheatland
3039:Roosevelt
2999:Petroleum
2934:Jefferson
2811:Whitefish
2781:Lewistown
2771:Kalispell
2635:Education
2540:Governors
2530:Geography
2500:(capital)
2348:16 August
2111:, page 41
2094:, page 69
2082:, page 71
2070:, page 70
2031:, page 79
2019:, page 73
1654:does not
1437:Lone Star
1005:Opal Pool
807:rhyolitic
500:bacterial
346:limestone
268:Fumaroles
127:geyserite
115:fumaroles
3557:Washakie
3537:Sublette
3532:Sheridan
3517:Niobrara
3472:Converse
3462:Campbell
3457:Big Horn
3444:Counties
3424:Sheridan
3414:Riverton
3384:Kemmerer
3369:Gillette
3364:Evanston
3349:Cheyenne
3280:Politics
3270:Gun laws
3240:Abortion
3178:Cheyenne
3084:Treasure
3054:Sheridan
3034:Richland
3004:Phillips
2984:Missoula
2909:Garfield
2904:Gallatin
2899:Flathead
2864:Chouteau
2834:Big Horn
2821:Counties
2796:Missoula
2756:Hamilton
2746:Glendive
2721:Billings
2716:Belgrade
2711:Anaconda
2645:Politics
2640:Gun laws
2610:Cannabis
2605:Abortion
2000:Wyoming.
1809:See also
1619:and the
1549:Between
1086:mud pots
629:between
492:alkaline
311:such as
306:Mudpots:
297:such as
283:such as
278:Geysers:
220:sediment
111:mud pots
3512:Natrona
3507:Lincoln
3502:Laramie
3497:Johnson
3482:Fremont
3434:Worland
3409:Rawlins
3394:Laramie
3379:Jackson
3359:Douglas
3339:Buffalo
3289:Regions
3260:Economy
3233:Society
3209:History
3168:Wyoming
3049:Sanders
3044:Rosebud
3029:Ravalli
3024:Prairie
3009:Pondera
2979:Mineral
2974:Meagher
2964:Madison
2959:Lincoln
2954:Liberty
2924:Granite
2914:Glacier
2874:Daniels
2859:Cascade
2726:Bozeman
2660:Regions
2630:Economy
2620:Culture
2598:Society
2545:History
2487:Montana
2415:at the
1675:removed
1660:sources
1629:caldera
518:caldera
309:Mudpots
281:Geysers
180:thunder
119:caldera
3562:Weston
3527:Platte
3487:Goshen
3467:Carbon
3452:Albany
3404:Powell
3389:Lander
3344:Casper
3331:Cities
3214:People
3187:Topics
3099:Wibaux
3089:Valley
3019:Powell
2969:McCone
2894:Fergus
2889:Fallon
2879:Dawson
2869:Custer
2854:Carter
2849:Carbon
2839:Blaine
2806:Sidney
2801:Polson
2776:Laurel
2766:Helena
2741:Dillon
2567:Sports
2557:People
2507:Topics
2497:Helena
2419:(HABS)
2051:
1858:
1844:
1576:sulfur
1480:, and
1340:Zillah
1292:Oregon
1131:, and
1111:, and
795:, and
514:eroded
457:faults
362:chalky
360:, the
317:acidic
254:silica
228:pluton
224:inside
123:sinter
113:, and
95:geyser
3552:Uinta
3547:Teton
3477:Crook
3250:Crime
3164:State
3079:Toole
3074:Teton
2761:Havre
2731:Butte
2615:Crime
2515:Index
2483:State
1978:Notes
1300:magma
510:kames
212:brine
184:human
129:, or
3522:Park
3354:Cody
2994:Park
2944:Lake
2929:Hill
2446:and
2350:2014
2049:ISBN
1856:ISBN
1842:ISBN
1790:clay
1786:rock
1776:and
1658:any
1656:cite
1564:The
1529:The
1390:The
1241:The
1003:and
648:The
580:The
406:The
323:use
315:are
218:and
142:lava
89:The
3166:of
2485:of
1799:mud
1669:by
1611:in
1290:in
238:).
48:KML
3597::
2443:,
2440:,
2437:,
2434:,
2431:,
2428:,
2277:^
2256:^
2180:^
2128:^
2116:^
2099:^
2005:^
1801:.
1435:,
1322:.
1127:,
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