This historical map portrays the area of Mount Powell in 2020, primarily covering Mount Powell. Featuring a scale of 1:24,000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Mount Powell region at the time. Published in 2020, it is the sole known edition of this map.
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 · Helena
USGS Topo · 1:250,000
1903 · Helena
USGS Topo · 1:250,000
1908 · Philipsburg
USGS Topo · 1:125,000
1947 · Butte
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000
1960 · Butte
USGS Topo · 1:250,000
1961 · Anaconda
USGS Topo · 1:62,500
1962 · Butte
USGS Topo · 1:250,000