Blacktail Deer Cr serves as the primary drainage system for this high-elevation region of Beaverhead County, where several major forks converge. This 2020 survey documents the complex hydrological network of the Middle Fork Blacktail Deer Cr, W Fork Blacktail Deer Cr, and E Fork Blacktail Deer Cr. These waterways are central to the landscape, joined by smaller tributaries like Brock Cr and Alkali Cr.
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This is the sole edition of this map. No revisions or reprints were ever made.
1893 · Dillon
USGS Topo · 1:250,000
1955 · Dubois
USGS Topo · 1:250,000
1955 · Dillon
USGS Topo · 1:250,000
1957 · Dillon
USGS Topo · 1:250,000
1958 · Dubois
USGS Topo · 1:250,000
1958 · Dillon
USGS Topo · 1:250,000
1961 · Red Canyon
USGS Topo · 1:24,000
1961 · Elk Gulch
USGS Topo · 1:24,000
1962 · Dillon
USGS Topo · 1:250,000
1963 · Belmont Park Ranch
USGS Topo · 1:24,000