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Since the island is just southeast of the
Dubuque metropolitan area, it is a popular destination for boaters and picnickers. There are no roads on the island. Boats must be careful not to drop anchor at the head of the island, since there is an underground natural gas pipeline buried there, formerly
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Nine-Mile Island is densely forested, save for a sandy beach at the head of the island which is popular with vacationers. The area is characterized by numerous sloughs and backwaters, and the island surrounds
Horseshoe Lake and Green Lake. Classified as public land, the island is part of both the
180:. The head (northwestern end) of the island is at UMR river mile 574.3, with the southeastern end at mile 571.5. It is about 2 miles long and .5 mile at its widest point, with a total area of 454 acres. Within the island is a lake called Green Lake.
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and the former dock of the Silver Eagle Casino. It is adjacent to the unincorporated community of Massey, Iowa, which houses marina facilities. The island is bordered on the southwest by Molo Slough and on the northeast by the
250:). It was also historically known as Shinkles Island, as evidenced by the Army Corps' Shinkles Island Bar Daybeacon at UMR mile 574.1 on the left descending bank (Illinois side of the river).
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The USACE also maintains two aids to navigation on the island: Nine-Mile Island
Daybeacon at UMR river mile 573.5, and Nine-Mile Island Light at mile 571.5, both on the right descending bank.
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regulated the flow of the river. Multiple remnants of these common structures are still present near the island. There is also a 1/2-mile
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The island's name comes from the fact that its head is located nine river miles below Eagle Point (
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Nine-Mile Island is situated within Pool 12 of the Upper
Mississippi River, between
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on the north side of the island and a 1/4-mile revetment on the southeastern end.
319:"U.S. ARMY CORPS ENGINEERS UPPER MISSISSIPPI RIVER MISSISSIPPI VALLEY DIVISION"
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Prior to the construction of dams on the Upper
Mississippi, thousands of
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Upper
Mississippi River National Wildlife and Fish Refuge
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196:'s nine-foot navigation channel. Since it is on the
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457:"Upper Mississippi River Navigation Charts"
434:"Upper Mississippi River Navigation Charts"
391:"Upper Mississippi River Navigation Charts"
368:"Upper Mississippi River Navigation Charts"
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183:The island is immediately downriver from
16:For other places with the same name, see
348:"Electronic Code of Federal Regulations"
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272:Driftless Area National Wildlife Refuge
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253:The island was also the site of a
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486:Landforms of Dubuque County, Iowa
18:Nine Mile Island (disambiguation)
496:Islands of the Mississippi River
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414:"RiverWeb - Harry G. Dyer"
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30:Nickname: Shinkles Island
109:.5 mi (0.8 km)
162:Upper Mississippi River
93:454 acres (184 ha)
48:Upper Mississippi River
189:East Dubuque, Illinois
174:Locks and Dams Nos. 11
491:River islands of Iowa
296:Enron Gas Pipeline Co
101:2 mi (3 km)
150:Dubuque County, Iowa
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238:42.535°N 90.645°W
198:Mississippi River
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142:river island
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144:located in
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53:Coordinates
480:Categories
465:2011-03-21
442:2011-03-21
419:2011-03-21
399:2011-03-21
376:2011-03-21
353:2011-03-21
333:2022-10-12
302:References
289:Recreation
229:90°38′42″W
226:42°32′06″N
152:, between
65:90°34′30″W
62:42°26′10″N
294:owned by
283:revetment
255:steamboat
168:Geography
40:Geography
327:Iowa DNR
279:wingdams
270:and the
206:Illinois
45:Location
215:History
160:on the
98:Length
460:(PDF)
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322:(PDF)
194:USACE
140:is a
128:State
106:Width
202:Iowa
176:and
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131:Iowa
90:Area
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