Emigrant Gap Ridge dominates the southern portion of this Natrona County landscape, marking a significant topographic rise overlooking a network of draws and seasonal waterways. The central and northern sections are defined by agricultural and water management infrastructure, most notably the winding course of the Casper Canal and its associated Bishop Lateral. This irrigation network supports a region characterized by expansive rangelands and sparse rural development.
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1950 · Emigrant Gap
USGS Topo · 1:24,000
1950 · Goose Egg
USGS Topo · 1:24,000
1950 · Emigrant Gap NE
USGS Topo · 1:24,000
1951 · Oil Mountain
USGS Topo · 1:24,000
1951 · Emigrant Gap NW
USGS Topo · 1:24,000
1952 · Bishop
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