Big Spring and the headwaters of E Fork Big Spring Cr anchor the southern reaches of this landscape, where the drainages of the Big Snowy Mountains meet the ranching and transit corridors of Fergus County. The map details a transition from the steeper terrain near Wahoo Pass to the lower gulches and creeks that flow north and east. Notable for its historical transportation routes, the area is crossed by the Gilt Edge Stage and Boyd Creek Rd, reflecting the region's legacy of mining and homesteading connectivity. In the northern section, Limekiln Canyon and Blind Breed Gulch cut through the hills, while the Us-87 highway provides the modern backbone for travel through these watersheds. This survey documents the network of remote roads such as Look Trl and Divide Rd that serve the high country between Kelly Hill and the various forks of Pike Cr.
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This is the sole edition of this map. No revisions or reprints were ever made.
1889 · Big Snowy Mountain
USGS Topo · 1:250,000
1893 · Big Snowy Mountain
USGS Topo · 1:250,000
1941 · Lewistown
USGS Topo · 1:62,500
1941 · Judith Peak
USGS Topo · 1:62,500
1944 · Lewistown
USGS Topo · 1:62,500
1944 · Judith Peak
USGS Topo · 1:62,500
1954 · Roundup
USGS Topo · 1:250,000
1954 · Lewistown
USGS Topo · 1:250,000
1958 · Roundup
USGS Topo · 1:250,000
1959 · Lewistown
USGS Topo · 1:250,000