The Greybull River and Wood River define this high-altitude drainage system in Park County, where water management is central to the landscape. Extensive irrigation infrastructure, including the Pappapau Ditch, Sunshine Supply Ditch, and the aptly named Only Chance Ditch, move water across the basin to support the arid surroundings. The central feature is the Sunshine Reservoir, situated just above the Upper Sunshine Basin, while the Lower Sunshine Reservoir sits to the east, illustrating the complex engineering required for ranching and agriculture in this environment.
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This is the sole edition of this map. No revisions or reprints were ever made.
1904 · Kirwin
USGS Topo · 1:125,000
1906 · Kirwin
USGS Topo · 1:125,000
1911 · Meeteetse
USGS Topo · 1:62,500
1913 · Meeteetse
USGS Topo · 1:62,500
1955 · Cody
USGS Topo · 1:250,000
1955 · Thermopolis
USGS Topo · 1:250,000
1956 · Soapy Dale Peak
USGS Topo · 1:24,000
1957 · Sunshine Reservoir
USGS Topo · 1:62,500
1958 · Cody
USGS Topo · 1:250,000
1958 · Thermopolis
USGS Topo · 1:250,000