
Wyarno anchors this high-plains landscape, where the agricultural life of Sheridan County depends on a complex network of irrigation infrastructure. This modern survey details the vital water management systems of the region, including the Prairie Dog Ditch Number 3 and Prairie Dog Ditch Number 11, alongside the Ninemile Ditch. These man-made channels cut across the drainage basins of Dutch Cr and Wildcat Cr, supporting the ranching and farming operations that define the area's economy.
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This is the sole edition of this map. No revisions or reprints were ever made.
1909 · Sheridan
USGS Topo · 1:125,000
1911 · Sheridan
USGS Topo · 1:125,000
1955 · Sheridan
USGS Topo · 1:250,000
1958 · Sheridan
USGS Topo · 1:250,000
1962 · Sheridan
USGS Topo · 1:250,000
1967 · Buffalo Run Creek
USGS Topo · 1:24,000
1967 · Big Horn
USGS Topo · 1:24,000
1968 · Sheridan
USGS Topo · 1:24,000
1968 · Bar N Draw
USGS Topo · 1:24,000
1968 · Wyarno
USGS Topo · 1:24,000