
Harpers Well stands as a focal point in this arid landscape where the drainage systems of the Lower Borrego Valley and West Mesa converge. The intricate network of desert washes, including San Felipe Creek, Tarantula Wash, and Carrizo Wash, illustrates the hydraulic patterns of the Imperial County desert. Human presence is marked by specialized infrastructure, most notably the Mining Railway and a Dike in the southwest corner, alongside the expansive US Naval Air Facility occupying the eastern portion of the quadrangle. Historical transit is represented by the Old Kane Spring Road, which traverses the northern reaches of the valley, providing a record of desert travel routes before modern development. To the southeast, the rising elevations of the Superstition Hills break the horizontal expanse of the mesa floors.
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This is the sole edition of this map. No revisions or reprints were ever made.
1915 · El Centro
USGS Topo · 1:125,000
1931 · Vallecito
USGS Topo · 1:125,000
1931 · Carrizo
USGS Topo · 1:125,000
1940 · Kane Spring
USGS Topo · 1:62,500
1940 · Plaster City
USGS Topo · 1:62,500
1942 · Barrel Spring
USGS Topo · 1:62,500
1942 · El Centro
USGS Topo · 1:250,000
1942 · Carrizo Mtn
USGS Topo · 1:62,500
1943 · Vallecito
USGS Topo · 1:125,000
1944 · Plaster City
USGS Topo · 1:62,500