Knowledge (XXG)

Big Drift

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abnormally heavy late winter and early spring snowfall, the Going-to-the-Sun Road did not open until July 13, which, at that time, was the latest opening since the road was built. That record was passed in 2022, when Going-to-the-Sun Road opened July 15, exactly 89 years since the road was dedicated.
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The entire Going-to-the-Sun Road takes about ten weeks to plow, even with equipment that can move 4,000 short tons of snow an hour. By the first of June of each year, the Logan Pass visitor center can usually be reached by vehicle from at least one side of the Continental Divide. In 2011, due to
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that will be needed in order to reopen the Going-to-the-Sun Road for the summer season. By early April, snow removal crews working from either end of the 53 miles (85 km) roadway have begun to ascend the steeper east and west slopes of the
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The area of the Big Drift is usually reached by late May, and it often can take a month to clear this one stretch of road that is slightly more than 1 mile (1.6 km) in length. Survey crews identify
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The Big Drift as seen on March 23, 2006. Buildings in center are at Logan Pass while the Going-to-the-Sun Road lies buried under the Big Drift on right side of image.
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where a large amount of winter snow can accumulate to depths of 80 feet (24 m). Located immediately east of
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This truck is used to blow away the snow. The snow is usually fed into the snowplow's snowblower by a bulldozer.
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As spring approaches, the region is surveyed by helicopter in preparation for
45: 33: 210: 197: 81: 53: 224: 37: 16: 168:"Glacier's Going-to-the-Sun Road to open July 13, 2nd latest ever" 106: 15: 228: 48:, the westerly winds push snow over the crest of the 406: 388: 345: 262: 60:. West of the divide, this arête is known as the 240: 8: 92:are usually removed using explosives, then 247: 233: 225: 100:move the snow over the cliffsides or into 84:hazards and help to locate the road using 408:Waterton-Glacier International Peace Park 136:Insiders Guide to Glacier National Park 125: 7: 14: 52:onto the eastern flank of a long 166:Scott, Tristan (July 7, 2011). 139:. Insiders Guide. p. 20. 1: 442:Glacier National Park (U.S.) 416:Waterton Lakes National Park 463: 287:Going to the Sun Mountain 56:which extends south from 40:and is an area along the 112: 21: 437:Going-to-the-Sun Road 264:Going-to-the-Sun Road 256:Glacier National Park 110: 42:Going-to-the-Sun Road 30:Glacier National Park 19: 211:48.6972°N 113.7080°W 133:Olin, Susan (2008). 355:Granite Park Chalet 332:Trail of the Cedars 312:Lake McDonald Lodge 207: /  398:Two Medicine Store 375:Many Glacier Hotel 216:48.6972; -113.7080 113: 86:global positioning 50:Continental Divide 22: 424: 423: 380:Swiftcurrent Lake 178:on April 26, 2012 146:978-0-7627-4404-6 98:front-end loaders 88:equipment. Large 454: 360:Grinnell Glacier 277:Bird Woman Falls 249: 242: 235: 226: 222: 221: 219: 218: 217: 212: 208: 205: 204: 203: 200: 187: 186: 184: 183: 174:. Archived from 163: 157: 156: 154: 153: 130: 58:Pollock Mountain 462: 461: 457: 456: 455: 453: 452: 451: 427: 426: 425: 420: 402: 384: 341: 327:Saint Mary Lake 302:Jackson Glacier 258: 253: 215: 213: 209: 206: 201: 198: 196: 194: 193: 191: 190: 181: 179: 165: 164: 160: 151: 149: 147: 132: 131: 127: 122: 12: 11: 5: 460: 458: 450: 449: 444: 439: 429: 428: 422: 421: 419: 418: 412: 410: 404: 403: 401: 400: 394: 392: 386: 385: 383: 382: 377: 372: 370:Lake Sherburne 367: 365:Iceberg Cirque 362: 357: 351: 349: 343: 342: 340: 339: 334: 329: 324: 319: 314: 309: 304: 299: 297:Highline Trail 294: 289: 284: 279: 274: 268: 266: 260: 259: 254: 252: 251: 244: 237: 229: 189: 188: 158: 145: 124: 123: 121: 118: 13: 10: 9: 6: 4: 3: 2: 459: 448: 445: 443: 440: 438: 435: 434: 432: 417: 414: 413: 411: 409: 405: 399: 396: 395: 393: 391: 387: 381: 378: 376: 373: 371: 368: 366: 363: 361: 358: 356: 353: 352: 350: 348: 344: 338: 335: 333: 330: 328: 325: 323: 320: 318: 315: 313: 310: 308: 307:Lake McDonald 305: 303: 300: 298: 295: 293: 290: 288: 285: 283: 280: 278: 275: 273: 270: 269: 267: 265: 261: 257: 250: 245: 243: 238: 236: 231: 230: 227: 223: 220: 177: 173: 169: 162: 159: 148: 142: 138: 137: 129: 126: 119: 117: 109: 105: 103: 99: 95: 91: 87: 83: 77: 75: 70: 65: 63: 59: 55: 51: 47: 43: 39: 35: 31: 27: 18: 390:Two Medicine 347:Many Glacier 337:Weeping Wall 292:Heavens Peak 271: 192: 180:. Retrieved 176:the original 171: 161: 150:. Retrieved 135: 128: 114: 78: 69:snow removal 66: 25: 23: 447:Lewis Range 282:Garden Wall 214: / 202:113°42′29″W 102:dump trucks 74:Lewis Range 62:Garden Wall 431:Categories 322:Rising Sun 317:Logan Pass 199:48°41′50″N 182:2011-11-04 172:Missoulian 152:2011-11-04 120:References 94:excavators 46:Logan Pass 34:U.S. state 272:Big Drift 82:avalanche 32:, in the 26:Big Drift 90:cornices 38:Montana 143:  28:is in 54:arête 141:ISBN 96:and 24:The 36:of 433:: 170:. 104:. 76:. 64:. 248:e 241:t 234:v 185:. 155:.

Index


Glacier National Park
U.S. state
Montana
Going-to-the-Sun Road
Logan Pass
Continental Divide
arête
Pollock Mountain
Garden Wall
snow removal
Lewis Range
avalanche
global positioning
cornices
excavators
front-end loaders
dump trucks
Snowblower/Rotary Snowplow
Insiders Guide to Glacier National Park
ISBN
978-0-7627-4404-6
"Glacier's Going-to-the-Sun Road to open July 13, 2nd latest ever"
the original
48°41′50″N 113°42′29″W / 48.6972°N 113.7080°W / 48.6972; -113.7080
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t
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Glacier National Park
Going-to-the-Sun Road

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