Emigrant Gap Ridge dominates this Natrona County landscape, where the high desert terrain is carved by a complex network of seasonal drainages and irrigation infrastructure. The Casper Canal winds through the eastern portion of the area, illustrating the engineering required to support agricultural interests in this arid environment. Significant topographical features like Pedros Pass and Tie Bridge Gulch suggest early travel routes through the uplift, while the presence of the American Falconry Airport indicates specialized modern aviation uses of the high plains. Water remains the primary shaper of the land, seen in the winding course of the S Fork Casper Cr and the secluded Hot Springs found near Tudor Draw.
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1950 · Emigrant Gap
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
1951 · Poison Spider
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