Triple Divide and Flint Mountain anchor this high-elevation landscape in Lewis and Clark County, where complex drainage patterns define the wilderness. The Continental Divide influences the flow of numerous watercourses, with the headwaters of the South Fork Sun River and the Dry Fork North Fork Blackfoot River moving toward different basins. This 2011 survey documents a preserved alpine environment devoid of modern settlements, dominated instead by prominent landmarks like Trident Peaks and Observation Point. A small alpine body of water, Sun Lake, is situated in the northeastern portion of the quadrangle. Significant drainages including Spring Creek, Bar Creek, and Cabin Creek carve through the terrain, highlighting the region's importance as a primary watershed for the surrounding Montana territories.
14 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 · Coopers Lake
USGS Topo · 1:125,000
1905 · Ovando
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 · Spread Mountain
USGS Topo · 1:24,000
1968 · Olson Peak
USGS Topo · 1:24,000
1968 · Lake Mountain
USGS Topo · 1:24,000