Stemple Pass serves as a central landmark within the Helena National Forest, marking a high point in the Lewis and Clark Range. The landscape is defined by a dense network of drainages including Horsefly Cr and Black-Diamond Cr to the north, while Virginia Cr and Gould Cr flow through the southern reaches. The presence of the Pilgeram Ditch near Bear Gulch suggests a history of water management for local needs. Transportation through this part of the Continental Divide is facilitated by Stemple Pass Rd and MT Highway 279, which connect isolated gulches such as Whiskey Gulch and Page Gulch. This 2014 survey documents the modern road system, including Gravelly Range Rd, against the backdrop of the enduring mountain terrain.
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1889 · Helena
USGS Topo · 1:250,000
1893 · Helena
USGS Topo · 1:250,000
1899 · Helena
USGS Topo · 1:250,000
1903 · Coopers Lake
USGS Topo · 1:125,000
1903 · Helena
USGS Topo · 1:250,000
1943 · Hogan
USGS Topo · 1:125,000
1947 · Butte
USGS Topo · 1:250,000
1955 · Choteau
USGS Topo · 1:250,000
1957 · Choteau
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000