The Virgin River carves a dramatic path through this high-elevation landscape in northwestern Arizona, creating the distinct topographical bottleneck known as The Narrows. This corridor serves as a critical transition point within the Mojave Desert, where the southern foothills of the Beaver Dam Mountains meet the northern reaches of the Virgin Mountains. The terrain is defined by deep drainage networks including Sullivans Canyon and Mountain Sheep Wash, which collect runoff for the river below. Modern recreational use is represented by the Bikepacking: The Plateau Passage route, which traverses the complex topography. While the namesake Mountain Sheep Spring provides a vital water source in the arid uplands, the map's primary character is one of steep relief and natural barriers, illustrating why this passage has long dictated transportation routes through the corner of Mohave County.
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This is the sole edition of this map. No revisions or reprints were ever made.
1885 · St. George
USGS Topo · 1:250,000
1886 · Mt. Trumbull
USGS Topo · 1:250,000
1891 · St. George
USGS Topo · 1:250,000
1892 · Mt. Trumbull
USGS Topo · 1:250,000
1953 · Cedar City
USGS Topo · 1:250,000
1953 · Grand Canyon
USGS Topo · 1:250,000
1954 · Wolf Hole Mtn. NW
USGS Topo · 1:24,000
1954 · Beaver Dam Mts SE
USGS Topo · 1:24,000
1954 · St. George
USGS Topo · 1:62,500
1954 · Littlefield
USGS Topo · 1:62,500