
The Colorado River defines the rugged eastern boundary of this mid-1920s topography, serving as the interface between the high desert of Nevada and the Arizona territory. Before the massive water projects of the later 20th century, this reach of the river was characterized by natural features like Post House Rapids and the marshy Cottonwood area. Near the river's bend, the Mohave Indian Reservation occupies the Mohave Valley floor, while to the west, the arid Piute Valley stretches toward the Piute Range. Mineral exploration and early desert ranching drive the sparse settlement pattern, with numerous mining claims such as Newberry, Beatty, and Gus located in the foothills. The town of Searchlight serves as a primary hub in the north, connected southward by the early automotive route of the Arrowhead Trail. Local family landmarks like the D Hutton Ranch and V. Schmidt E. Lat. provide essential genealogical reference points for this era.
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This is the sole edition of this map. No revisions or reprints were ever made.
1886 · Camp Mohave
USGS Topo · 1:250,000
1892 · Camp Mohave
USGS Topo · 1:250,000
1903 · Needles
USGS Topo · 1:125,000
1904 · Needles Special
USGS Topo · 1:125,000
1910 · Ivanpah
USGS Topo · 1:250,000
1912 · Ivanpah
USGS Topo · 1:250,000
1926 · Nelson
USGS Topo · 1:96,000
1942 · Camp Mohave
USGS Topo · 1:250,000
1942 · Ivanpah
USGS Topo · 1:250,000
1942 · Amboy
USGS Topo · 1:250,000