Pegleg Well anchors this arid section of Imperial County, a landscape defined by seasonal watercourses and the sparse infrastructure of the California desert. The terrain is marked by the intricate drainage patterns of German Diggins Wash and Arroyo Seco, which illustrate the natural flow of water through this high-heat environment. Martinez Gulch provides further topographic variation in the southwest, where the elevation changes subtly. This 2012 survey by the U.S. Geological Survey details a region where surviving wells and named washes remain critical landmarks for navigation and local history.
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This is the sole edition of this map. No revisions or reprints were ever made.
1940 · Iris
USGS Topo · 1:62,500
1940 · Iris Pass
USGS Topo · 1:62,500
1945 · Iris Pass
USGS Topo · 1:62,500
1945 · Iris
USGS Topo · 1:62,500
1953 · Chuckwalla Spring
USGS Topo · 1:62,500
1953 · Acolita
USGS Topo · 1:62,500
1954 · Salton Sea
USGS Topo · 1:250,000
1955 · Tortuga
USGS Topo · 1:24,000
1955 · Salton Sea
USGS Topo · 1:250,000
1959 · Salton Sea
USGS Topo · 1:250,000