Lewis & Clark National Forest and Lolo National Forest converge in this high-altitude landscape along the Lewis and Clark Range. The Continental Divide National Scenic Trail winds through the center of the sheet, crossing notable high points such as Welcome Pass and Elk Pass. This 2020 survey documents the complex drainage systems that flow away from the divide, including Lost Cabin Creek and the Dearborn River. Human presence is marked by the Steamboat Lookout perched above Bunch Grass Basin, serving as a critical vantage point for forest management. The geography transitions from the steep peaks of the range into more sheltered areas like Tobacco Valley and Carmichael Basin, providing a detailed look at the wilderness corridor as it appeared in the early 21st century.
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This is the sole edition of this map. No revisions or reprints were ever made.
1903 · Coopers Lake
USGS Topo · 1:125,000
1955 · Choteau
USGS Topo · 1:250,000
1957 · Choteau
USGS Topo · 1:250,000
1958 · Choteau
USGS Topo · 1:250,000
1962 · Choteau
USGS Topo · 1:250,000
1968 · Heart Lake
USGS Topo · 1:24,000
1968 · Olson Peak
USGS Topo · 1:24,000
1968 · Caribou Peak
USGS Topo · 1:24,000
1970 · Scapegoat Mountain
USGS Topo · 1:24,000
1970 · Steamboat Mountain
USGS Topo · 1:24,000