Grayrocks Reservoir dominates the southeastern corner of this Platte County landscape, serving as a significant water feature in an otherwise arid expanse of Wyoming high plains. The terrain is defined by dramatic erosional features like Big Sand Draw and the steep-walled Warm Springs Canyon, where Warm Springs provides a focal point for early water sources in the region.
12 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.
1896 · Hartville
USGS Topo · 1:125,000
1901 · Hartville
USGS Topo · 1:125,000
1950 · Guernsey
USGS Topo · 1:24,000
1950 · Herman Ranch
USGS Topo · 1:24,000
1950 · Register Cliff
USGS Topo · 1:24,000
1950 · Guernsey Reservoir
USGS Topo · 1:24,000
1951 · Guernsey Reservoir
USGS Topo · 1:24,000
1951 · Herman Ranch
USGS Topo · 1:24,000
1951 · Dwyer
USGS Topo · 1:24,000
1951 · Antelope Gap
USGS Topo · 1:24,000