2020 Map of Coburn Mountain
USGS Topo · Published 2020About this map
The Dearborn River winds through the borderlands of Cascade and Lewis and Clark Counties, defining a landscape marked by high-altitude ranching and rugged topography. This 2020 map documents a region where water management is central to the land's utility, shown by the Hulline Ditch and the drainage of Twin Bridge Coulee into Flat Cr. Settlement and local history are anchored by the Dearborn Crossing Cem and the Bar E Airport, reflecting a sparse but established presence in the foothills.
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Map Details
Editions of this 2020 Coburn Mountain Map
This is the sole edition of this map. No revisions or reprints were ever made.
Other maps of this area
1886 · Great Falls
USGS Topo · 1:250,000
1943 · Hogan
USGS Topo · 1:125,000
1954 · Great Falls
USGS Topo · 1:250,000
1955 · Choteau
USGS Topo · 1:250,000
1957 · Choteau
USGS Topo · 1:250,000
1957 · Great Falls
USGS Topo · 1:250,000
1958 · Choteau
USGS Topo · 1:250,000
1960 · Simms
USGS Topo · 1:62,500
1961 · Craig
USGS Topo · 1:24,000
1961 · Roberts Mountain
USGS Topo · 1:24,000