Question: The Big Drift is in Glacier National Park, in the U.S. state of Montana, and is an area along which scenic mountain road in the Rocky Mountains of the western United States, in Glacier National Park in Montana?

full_context: Document 1: Swiftcurrent Auto Camp Historic District: The Swiftcurrent Auto Camp Historic District preserves a portion of the built-up area of Glacier National Park that documents the second phase of tourist development in the park. After the creation of a series of hotels for train-borne visitors including the nearby Many Glacier Hotel, courtesy of the Great Northern Railway's hotel concession, facilities were developed for the increasing numbers of automobile-borne tourists, drawn to Glacier by the Going-to-the-Sun Road. The Swiftcurrent Auto Camp at Swiftcurrent Lake was created for these new tourists. It includes a rustic general store, built in 1935 by the Glacier Park Hotel Company, surrounded by a number of log tourist cabins., as well as a shower and laundry house and other supporting structures.
Document 2: National Road: The National Road (also known as the Cumberland Road) was the first major improved highway in the United States built by the federal government. Built between 1811 and 1837, the 620 mi road connected the Potomac and Ohio Rivers and was a main transport path to the West for thousands of settlers. When rebuilt in the 1830s, it became the second U.S. road surfaced with the macadam process pioneered by Scotsman John Loudon McAdam.
Document 3: Big Drift: The Big Drift is in Glacier National Park, in the U.S. state of Montana and is an area along the Going-to-the-Sun Road where a large amount of winter snow can accumulate to depths of 80 ft . Located immediately east of Logan Pass, the westerly winds push snow over the crest of the Continental Divide onto the eastern flank of a long arête which extends south from Pollock Mountain. West of the divide, this arête is known as the Garden Wall.
Document 4: Going-to-the-Sun Road: Going-to-the-Sun Road is a scenic mountain road in the Rocky Mountains of the western United States, in Glacier National Park in Montana. The Sun Road, as it is sometimes abbreviated in National Park Service documents, is the only road that traverses the park crossing the Continental Divide through Logan Pass at an elevation of 6,646 feet (2,026 m), which is the highest point on the road. Construction began in 1921 and was completed in 1932 with formal dedication in the following summer on July 15, 1933. The road is the first to have been registered in all of the following categories: National Historic Place, National Historic Landmark and Historic Civil Engineering Landmark. The length of the road is approximately 50 miles (80 km) and spans the width of the park between the east and west entrance stations. The National Historic Landmark Nomination records a slightly shorter distance of 48.7 miles which is measured from the first main intersection just outside the park's west entrance to Divide Creek in St. Mary on the east side of the park.
Document 5: Gray Wolf Glacier: Gray Wolf Glacier is located in the US state of Montana. The glacier is situated in the Mission Mountains at an elevation of 8000 ft above sea level and is immediately northeast of Gray Wolf Peak. The glacier covers approximately 15 acres .
Document 6: Lemhi Pass: Lemhi Pass is a high mountain pass in the Beaverhead Mountains, part of the Bitterroot Range in the Rocky Mountains and within Salmon-Challis National Forest. The pass lies on the Montana-Idaho border on the continental divide, at an elevation of 7373 feet above sea level. It is accessed via Lemhi Pass Road in Montana, and the Lewis and Clark Highway in Idaho, both dirt roads. Warm Springs Road, which roughly follows the divide in Montana, passes just west of the pass's high point.
Document 7: Jackson Glacier: Jackson Glacier is approximately the seventh largest of the remaining 25 glaciers in Glacier National Park located in the US state of Montana. A part of the largest grouping of glaciers in the park, Jackson Glacier rests on the north side of Mount Jackson. The glacier was most recently measured in 2005 at 250 acre , yet when first documented in 1850, the glacier also included the now separate Blackfoot Glacier and together, they covered 1875 acre . Between 1966 and 2005, Jackson Glacier lost almost a third of its acreage. When the two mountains were united prior to their separation sometime before 1929, they were known simply as Blackfoot Glacier. In 1850, there were an estimated 150 glaciers in the park. Glaciologists have stated that by the year 2030, many if not all of the glaciers in the park may disappear completely. Jackson and Blackfoot glaciers have been selected for monitoring by the U.S. Geological Survey's Glacier Monitoring Research program, which is researching changes to the mass balance of glaciers in and surrounding Glacier National Park. The glacier is being monitored using remote sensing equipment and repeat photography, where images of the glacier are taken from identical locations periodically. Jackson Glacier is one of the easiest of the park's glaciers to observe, and is located south of the Going-to-the-Sun Road on the east side of the Continental Divide, upper St. Mary Valley.
Document 8: Mullan Road: Mullan Road was the first wagon road to cross the Rocky Mountains to the Inland of the Pacific Northwest. It was built by U.S. Army troops under the command of Lt. John Mullan, between the spring of 1859 and summer 1860. It led from Fort Benton, which at the time was in the Dakota Territory, then Idaho Territory from July 1863, and Montana Territory beginning in May 1864, and the navigational head of the Missouri River (and once farthest inland port in the world). The road connected to Fort Walla Walla, Washington Territory, near the Columbia River. The road previewed the route approximately followed of modern-day Interstate 15 and Interstate 90 through present-day Montana, Idaho, and Washington.
Document 9: Milner Pass: Milner Pass, elevation 10759 ft is a mountain pass in the Rocky Mountains of northern Colorado in the United States. It is located on the continental divide in the Front Range, within Rocky Mountain National Park, along the boundary between Larimer and Grand counties. The pass provides the passage over the continental divide for US 34, also known as Trail Ridge Road between Estes Park and Grand Lake. The pass is not, however, the high point on Trail Ridge Road, which crests at 12183 ft east of the pass within Rocky Mountain National Park. Along with the rest of Trail Ridge Road, the pass is generally closed in winter from the first heavy snow fall (usually October) until the opening of the road around Memorial Day. The gentle pass divides the headwaters of the Cache la Poudre River (which issues from Poudre Lake just east of the pass) and several creeks near the headwaters of the Colorado River to the west. The road near the pass provides a panoramic view of the Never Summer Mountains to the west.
Document 10: Moonlight Basin: Moonlight Basin was a ski resort in southwestern Montana, located in the Madison Range of the Rocky Mountains in the resort village of Big Sky. In October 2013, it, along with ski terrain within the Club at Spanish Peaks, were consolidated into Big Sky Resort, making Big Sky the largest single ski resort in the United States, with 5,750 acres (2,330 ha) of terrain and over 30 ski lifts.
Document 11: Rising Sun Auto Camp: The Rising Sun Auto Camp, also known as the Roes Creek Auto Camp, East Glacier Auto Camp or simply Rising Sun preserves a portion of the built-up area of Glacier National Park that documents the second phase of tourist development in the park. Rising Sun is located along the Going-to-the-Sun Road, approximately 7 mi from the east entrance to Glacier National Park, Montana, United States. Rising Sun is a wayside area that has a National Park Service campground, a camp store and gift shop, picnic area, restaurant, as well as a motel and guest cabins which are managed by the park's concessionaire, Xanterra Parks & Resorts. In the immediate area, there is also a boat dock as well as sightseeing boats which allow visitors to tour Saint Mary Lake, the second largest lake in the park. "The most popular spot for [Glacier] tourists is Rising Sun, an overlook of Goose Island in St. Mary Lake and one of the most photographed spots in the park."
Document 12: Mammoth Glacier: Mammoth Glacier is in the Bridger Wilderness of Bridger-Teton National Forest, in the U.S. state of Wyoming. The glacier is on the west side of the Continental Divide which separates it from Dinwoody Glacier to the east. Mammoth Glacier is the largest glacier on the west side of the Continental Divide of the Wind River Range and occupies a large, north facing cirque on the north slopes of Twin Peaks and just west of Mount Woodrow Wilson. Mammoth Glacier is part of the largest grouping of glaciers in the American Rocky Mountains.
Document 13: Arizona State Route 67: State Route 67 (SR 67) is a 43.4 mi long, north–south state highway in northern Arizona. Also called the Kaibab Plateau – North Rim Parkway, SR 67 is the sole road that links U.S. Route 89A (US 89A) at Jacob Lake to the North Rim of Grand Canyon National Park. Along the route, the road heads through the national park as well as Kaibab National Forest and is surrounded by evergreen trees. The section inside the national park is maintained by the National Park Service (NPS), whereas the section north of the entrance, completely within Kaibab National Forest, is owned by the Arizona Department of Transportation (ADOT). The road was built in the late 1920s and improved through the 1930s. In 1941, the road received its number, and was given its designation as the parkway in the 1980s. The parkway has received designations as a National Forest Scenic Byway as well as a National Scenic Byway.
Document 14: Harrison Glacier: Harrison Glacier is located in the US state of Montana in Glacier National Park. Situated on a southeast facing ridge immediately south of Mount Jackson, Harrison Glacier is the largest glacier in Glacier National Park and was estimated in 2005 to have an area of 466 acre . Though many experts have stated that all the glaciers in Glacier National Park may disappear by the year 2030, Harrison Glacier lost only 9 percent of its surface area in the 40-year period between 1966 and 2005 and will likely still exist well beyond 2030. Compared to many of the vanishing glaciers in Glacier National Park, Harrison Glacier has a much higher altitude accumulation zone (approximately 9000 ft ) which has allowed it to maintain some equilibrium in its glacier mass balance. Comparing images of the glacier taken in 1913 with those from 2009, indicates that the glacier has experienced thinning and retreat.
Document 15: Kings Hill Pass: Kings Hill Pass is part of the Kings Hill Scenic Byway which passes through the Little Belt Mountains in the Lewis and Clark National Forest in Montana, United States. The route is home to a wide variety of wildlife and provides many recreational opportunities for travelers on the route. The Byway is a 71-mile route that begins on US Highway 89 at its junction with US Highway 12. From the junction the Byway travels north through the Lewis and Clark National Forest through the communities of Neihart and Monarch Montana and on to its junction with US Highway 87. The route offers access to the Showdown Ski Area and Sluice Boxes State Park. The route travels over the Kings Hill Pass near Monarch Montana which snow removal crews work to keep open throughout the winter season. Kings Hill Pass is at an elevation of 7,393 feet. There is an observation tower that offers views of the Lewis and Clark National Forest that is popular with visitors.
ground_truth: Going-to-the-Sun Road