Well Riley Ranch anchors this high-plains landscape in Natrona County, where the ranching economy depends on a network of drainages feeding the S Fork Powder River. The terrain is defined by a system of intermittent creeks and springs, most notably Turkey Springs and the eponymous Broken Horn Cr. Human presence is marked by isolated infrastructure like Neff Reservoir and ranch access roads such as Antelope Springs Ranch Rd.
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This is the sole edition of this map. No revisions or reprints were ever made.
1955 · Arminto
USGS Topo · 1:250,000
1958 · Arminto
USGS Topo · 1:250,000
1961 · Barnum
USGS Topo · 1:62,500
1961 · TTT Ranch
USGS Topo · 1:24,000
1961 · Wall Creek
USGS Topo · 1:24,000
1962 · Arminto
USGS Topo · 1:250,000
1968 · Willow Creek School
USGS Topo · 1:24,000
1968 · Camel Hump Reservoir
USGS Topo · 1:24,000
1968 · Big Sulfur Draw
USGS Topo · 1:24,000
1968 · Fiftymile Flat
USGS Topo · 1:24,000