
The North Fork Powder River carves a complex course through this corner of Johnson County, where high-country ranching and mining infrastructure define the landscape. Landowners and land managers in the 1980s utilized a network of water improvements, including the Red Spring Reservoir and numerous named water sources like Charlie Brown Springs and Hammond Spring to support livestock. The presence of the Top Hand Mine and Emerald Park Mine in the northeast suggests the area's continued mineral interest, while the Canon Ditch and a Gaging Sta on the river reflect the critical management of water in this semi-arid terrain.
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This is the sole edition of this map. No revisions or reprints were ever made.
1899 · Cloud peak
USGS Topo · 1:125,000
1900 · Fort McKinney
USGS Topo · 1:125,000
1901 · Cloud Peak
USGS Topo · 1:125,000
1903 · Fort McKinney
USGS Topo · 1:125,000
1955 · Sheridan
USGS Topo · 1:250,000
1955 · Arminto
USGS Topo · 1:250,000
1958 · Sheridan
USGS Topo · 1:250,000
1958 · Arminto
USGS Topo · 1:250,000
1962 · Sheridan
USGS Topo · 1:250,000
1962 · Arminto
USGS Topo · 1:250,000