Cowan Reservoir and the surrounding high plateau of Owyhee County define this arid landscape, where water management is the primary driver of human settlement. The map documents a network of natural and engineered water sources including Cowan Ditch, Dead Horse Spring, and Gardner Spring, which support the isolated ranching operations of the high desert.
19 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1936 · Rowland
USGS Topo · 1:48,000
1940 · Rowland
USGS Topo · 1:62,500
1943 · Jarbidge
USGS Topo · 1:62,500
1945 · Jarbidge
USGS Topo · 1:62,500
1955 · Twin Falls
USGS Topo · 1:250,000
1955 · Wells
USGS Topo · 1:250,000
1958 · Wells
USGS Topo · 1:250,000
1958 · Twin Falls
USGS Topo · 1:250,000
1961 · Wells
USGS Topo · 1:250,000
1978 · The Arch
USGS Topo · 1:24,000