Cooms Ranch stands as a primary landmark in this ranching landscape within the Pine Ridge Indian Reservation. The terrain is defined by a dendritic network of drainages, most notably Grass Cr and its tributary Little Grass Cr, which carve through the plains of Shannon County. Transportation in this part of South Dakota is sparse, anchored by White Horse Creek Rd and the corridor of Isr 33. The geography reflects the rural character of the High Plains, where water sources like Pepper Cr dictate the placement of local homesteads and travel routes. This survey provides a clear look at the hydraulic patterns and land use of the Oglala Lakota region in the early twenty-first century.
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This is the sole edition of this map. No revisions or reprints were ever made.
1951 · Rockyford SW
USGS Topo · 1:24,000
1951 · Rockyford SE
USGS Topo · 1:24,000
1955 · Hot Springs
USGS Topo · 1:250,000
1967 · Pine Ridge SW
USGS Topo · 1:24,000
1967 · Pine Ridge NE
USGS Topo · 1:24,000
1967 · Pine Ridge
USGS Topo · 1:24,000
1967 · Manderson
USGS Topo · 1:24,000
1967 · Oglala
USGS Topo · 1:24,000
1967 · Manderson SW
USGS Topo · 1:24,000
1981 · Evergreen
USGS Topo · 1:25,000