
The Boulder Mountains and the Continental Divide dominate the northern landscape of this region, providing a high-altitude backdrop to the historic mining and urban centers of Silver Bow County. To the south, the city of Butte and its neighboring settlements like Walkerville and Centerville reveal the dense street grids and institutional landmarks that defined this high-desert industrial hub. Notable civic features include the Butte-Silver Bow County Courthouse and the campus of Montana Technological University, while the surrounding terrain is deeply etched with drainages like Hail Columbia Gulch and Butcher Gulch. The map captures a complex environment where industrial infrastructure meets the protected lands of the Deerlodge National Forest, alongside vital water resources such as Moulton Reservoir Number One and Silver Bow Creek. Small outlying communities like Rocker sit near the junction of major transit routes, reflecting the area's continued importance as a mountain crossroads.
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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
1893 · Dillon
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 · Elk Park
USGS Topo · 1:62,500
1955 · Dillon
USGS Topo · 1:250,000
1957 · Dillon
USGS Topo · 1:250,000