The county line between Hot Springs and Washakie counties divides this high desert landscape, characterized by complex drainage systems and remote corridors. The northern portion is defined by Cottonwood Cr and the topographic break at Boulder Gulch, while Grass Cr cuts through the northwestern corner. This area serves as a significant drainage basin where local hydrology is marked by seasonal flows and isolated water sources like Harris Spring. Transport through the region is limited to primary dirt corridors such as Sand Draw Rd and Little Sand Draw Rd, which follow the natural contours of the eponymous Little Sand Draw. In the southern reaches, the land is etched by the intricate branches of Coal Draw, including the North Fork Coal Draw and South Fork Coal Draw, illustrating the erosional patterns of the Wyoming basin.
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This is the sole edition of this map. No revisions or reprints were ever made.
1914 · Blue Mesa
USGS Topo · 1:62,500
1916 · Blue Mesa
USGS Topo · 1:62,500
1945 · Kirby
USGS Topo · 1:62,500
1946 · Kirby
USGS Topo · 1:62,500
1955 · Thermopolis
USGS Topo · 1:250,000
1958 · Thermopolis
USGS Topo · 1:250,000
1960 · Thermopolis
USGS Topo · 1:24,000
1962 · Thermopolis
USGS Topo · 1:250,000
1965 · Thompson Reservoirs
USGS Topo · 1:24,000
1965 · Rattlesnake Gulch
USGS Topo · 1:24,000