The Continental Divide defines the crest of the Rocky Mountains as it cuts through the heart of the Deerlodge National Forest on this 2014 survey. This portion of the Divide is marked by the critical crossing at Homestake Pass, where transportation routes have historically navigated the elevation between the Atlantic and Pacific watersheds. To the west, the urban edge of Butte is visible near Floral Park and the Bert Mooney Airport, showing the transition from mountain wilderness to industrial and residential development.
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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