Cohagen serves as the primary settlement hub in this part of Garfield County, defined by its Cohagen Post Office and nearby Cohagen Cemetery. The landscape is a network of seasonal drainages and ranching improvements, where water management is critical to the local economy. This is evidenced by numerous livestock-oriented structures such as the Pluhar Number 1 Dam, Pluhar Number 2 Dam, and Petitt Dam. Physical landmarks like Phillips Buttes rise above the drainage basins of Little Dry Creek and Red Horse Creek. The presence of the Smith Ranch and its associated Smith Ranch 6 Dam illustrates the enduring cattle-ranching heritage of the Montana plains. Transportation across the area relies on established routes like Hay Creek Rd and East Little Dry Rd, connecting isolated ranchsteads with the central post office.
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This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Jordan
USGS Topo · 1:250,000
1954 · Forsyth
USGS Topo · 1:250,000
1956 · Jordan
USGS Topo · 1:250,000
1957 · Forsyth
USGS Topo · 1:250,000
1958 · Jordan
USGS Topo · 1:250,000
1958 · Forsyth
USGS Topo · 1:250,000
1964 · Jordan
USGS Topo · 1:250,000
1965 · Black Hills
USGS Topo · 1:24,000
1965 · Cohagen
USGS Topo · 1:24,000
1965 · Calamity Coulee
USGS Topo · 1:24,000