Powder River serves as the primary hub of this high-plains landscape, situated where the S Fork Powder River and numerous drainage draws shape the basin. The settlement is anchored by a transport corridor including W US Highway 20-26 and Powder River Rd, reflecting the area's importance as a crossroads in central Wyoming. The terrain is characterized by broad topographic features such as Brewer Flat and deep erosional cuts like Powder River Draw and Hohnen Draw. Water management in this arid environment is evident through several catchments, notably Burke Reservoir and Brewer Reservoir. To the south, the elevation rises toward the base of Pine Mtn, while the Cottonwood Stock Trl in the northeast suggests a legacy of livestock movement through these range lands. The drainage of Middle Fork Casper Cr further defines the southern reaches of the quadrangle.
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1951 · Square Top Butte
USGS Topo · 1:24,000
1951 · Reid Canyon
USGS Topo · 1:24,000
1955 · Arminto
USGS Topo · 1:250,000
1955 · Casper
USGS Topo · 1:250,000
1958 · Casper
USGS Topo · 1:250,000
1958 · Arminto
USGS Topo · 1:250,000
1959 · Gaylord Reservoir
USGS Topo · 1:24,000
1962 · Arminto
USGS Topo · 1:250,000
1962 · Casper
USGS Topo · 1:250,000
1968 · Notches Dome
USGS Topo · 1:24,000