Lewis and Clark Range dominates the high-altitude landscape of this 2020 survey, marking the continental divide's complex topography. The boundary between Lewis and Clark National Forest and Flathead National Forest bisects the area, where water flows from high peaks into the Danaher Cr and Rapid Creek drainages. A notable high point, Twin Peaks, stands near the northern edge, while the southern reaches are defined by the massifs of Sentinel Mtn and Woodtick Mtn. The hydrology is particularly intricate here, with numerous forks and spurs such as Basin Creek Spur and E Side S Fork carving through deep basins like Pearl Basin and Grizzly Basin. Camp Creek Pass serves as a critical geographic transition point in the northwest, providing a rare traversable break in the steep elevations of Trap Mtn and Hoadley Reef.
41 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1902 · Ovando
USGS Topo · 1:125,000
1903 · Saypo
USGS Topo · 1:125,000
1903 · Coopers Lake
USGS Topo · 1:125,000
1905 · Ovando
USGS Topo · 1:125,000
1936 · Silvertip
USGS Topo · 1:96,000
1942 · Silvertip
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
1958 · Pretty Prairie
USGS Topo · 1:24,000