
Blackbird Mine and several inactive mineral operations define the mid-century industrial footprint within the Salmon National Forest during this 1950 field survey. The rugged interior of Lemhi County is mapped with a focus on its mining economy, featuring the Sunshine Mine, Cobalt Mine, and Musgrove Mine concentrated around Blackbird Creek and Slippery Creek. These sites, along with the Copper Creek Ranger Station, illustrate a landscape managed for both extraction and forestry.
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3 editions found
1930 · Casto
USGS Topo · 1:125,000
1950 · Leesburg
USGS Topo · 1:62,500
1951 · Leesburg
USGS Topo · 1:62,500
1951 · Blackbird Mtn
USGS Topo · 1:62,500
1956 · Elk City
USGS Topo · 1:250,000
1957 · Challis
USGS Topo · 1:250,000
1960 · Elk City
USGS Topo · 1:250,000
1960 · Challis
USGS Topo · 1:250,000
1960 · Ulysses Mtn
USGS Topo · 1:62,500
1960 · Shoup
USGS Topo · 1:62,500