Eagle Mountain serves as the focal point of this arid Riverside County landscape, where the residential street grid of the mining community meets the eastern boundary of Joshua Tree National Park. The map documents a critical intersection of infrastructure and desert terrain, dominated by the massive Colorado River Aqueduct as it traverses the Eagle Mountains. This engineering feat is marked by the West Eagle Mountain Tunnel and East Eagle Mountain Tunnel, which channel water beneath the high ridges. The surrounding basin is defined by wide ephemeral drainage systems like Big Wash and Pinto Wash, which flow toward Victory Pass. The presence of the Kaiser Truck Route and Kaiser Rd reflects the area's twentieth-century industrial legacy, supporting operations near the edge of the protected wilderness.
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This is the sole edition of this map. No revisions or reprints were ever made.
1940 · Canyon Spring
USGS Topo · 1:62,500
1943 · Canyon Spring
USGS Topo · 1:62,500
1943 · Coxcomb Mountains
USGS Topo · 1:62,500
1944 · Eagle Tank
USGS Topo · 1:62,500
1944 · Chuckwalla Mountains
USGS Topo · 1:62,500
1944 · Coxcomb Mountains
USGS Topo · 1:62,500
1954 · Salton Sea
USGS Topo · 1:250,000
1955 · Salton Sea
USGS Topo · 1:250,000
1959 · Salton Sea
USGS Topo · 1:250,000
1963 · Salton Sea
USGS Topo · 1:250,000