Pinto Wells serves as a central landmark in this arid portion of Riverside County, situated where the terrain meets the eastern boundary of Joshua Tree National Park. The landscape is defined by the extensive drainage system of Pinto Wash, which threads across the desert floor toward the south and east. A significant industrial feature of the early 21st century is the Colorado River Aqueduct, visible as it cuts across the lower portion of the map, representing a massive undertaking to move water through this dry environment. Other markers of human infrastructure include the utilitarian Phone Line Rd and various desert tracks. This survey by the U. S. Geological Survey captures the quiet, infrastructure-heavy character of the region, where modern utilities intersect with protected parklands and natural seasonal watercourses.
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This is the sole edition of this map. No revisions or reprints were ever made.
1942 · Amboy
USGS Topo · 1:250,000
1943 · Amboy
USGS Topo · 1:250,000
1943 · Cadiz Valley
USGS Topo · 1:62,500
1943 · Coxcomb Mountains
USGS Topo · 1:62,500
1944 · Eagle Tank
USGS Topo · 1:62,500
1944 · Coxcomb Mountains
USGS Topo · 1:62,500
1954 · Salton Sea
USGS Topo · 1:250,000
1954 · Needles
USGS Topo · 1:250,000
1955 · Salton Sea
USGS Topo · 1:250,000
1956 · Needles
USGS Topo · 1:250,000