The Boulder townsite sits at the western edge of this Montana landscape, where the Boulder River cuts through a high-altitude mining district. This era of the terrain is defined by its deep extraction history, marked by numerous claims such as the Victory Mine, Saul's Claim Mine, and the May Day Mine. A unique intersection of industry and tourism appears at the Free Enterprise Health Mine and Campground, reflecting the local practice of using inactive mine shafts for therapeutic purposes.
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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
1950 · Jefferson City
USGS Topo · 1:62,500
1954 · Elk Park
USGS Topo · 1:62,500
1954 · Basin
USGS Topo · 1:62,500
1954 · Boulder
USGS Topo · 1:62,500