
Mining operations and high mountain drainages define this landscape at the intersection of Helena National Forest and Deerlodge National Forest. Several named claims such as the Charter Oak Mines, Negros Mine, and the Golden Anchor Mine are concentrated on the slopes of Negro Mountain, highlighting the area's history of mineral exploration. These sites are accessed by a network of unimproved roads and the Scenic Trail winding through the high country.
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This is the sole edition of this map. No revisions or reprints were ever made.
1889 · Helena
USGS Topo · 1:250,000
1893 · Helena
USGS Topo · 1:250,000
1899 · Boulder
USGS Topo · 1:125,000
1899 · Helena
USGS Topo · 1:250,000
1903 · Helena
USGS Topo · 1:250,000
1947 · Butte
USGS Topo · 1:250,000
1954 · Basin
USGS Topo · 1:62,500
1958 · Butte
USGS Topo · 1:250,000
1958 · Avon
USGS Topo · 1:62,500
1959 · Deer Lodge
USGS Topo · 1:62,500