Thunder Basin National Grassland dominates the western portion of this landscape, where the high plains of Northeast Wyoming meet the drainages of the Powder River Basin. The terrain is defined by a network of ephemeral watercourses and eroded depressions, including Big Draw, Heald Draw, and Dry Hollow. To the northwest, the Duck Creek Breaks indicate more significant topographic relief. In the southeast corner, the namesake Brislawn School sits as a quiet institutional landmark along the drainage of Short Prong Prairie Cr. Settlement and travel are sparse, concentrated along rural corridors such as Deadman Rd and La Ranch Rd. This area reflects the modern cattle-ranching and conservation character of the Campbell and Crook County border, where water features like Edgerton Reservoir provide essential resources in a semi-arid environment.
25 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.
1905 · Devils Tower
USGS Topo · 1:125,000
1954 · Gillette
USGS Topo · 1:250,000
1955 · Gillette
USGS Topo · 1:250,000
1957 · Oshoto
USGS Topo · 1:62,500
1957 · Cedar Ridge
USGS Topo · 1:62,500
1958 · Gillette
USGS Topo · 1:250,000
1962 · Gillette
USGS Topo · 1:250,000
1972 · Bonnie Reservoir
USGS Topo · 1:24,000
1972 · Bowman Hill
USGS Topo · 1:24,000
1972 · Brislawn School
USGS Topo · 1:24,000