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1958 Map of Orocopia Canyon, 1991 Print
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1958 Map of Orocopia Canyon

USGS Topo · Published 1991

About this map

The Orocopia Mountains dominate this 1950s landscape, where the sharp transition from high peaks to the low desert floor is marked by the Sea Level contour line. To the south, human engineering is evident in the Coachella Canal, which is supported by an extensive system of Levee and Dike structures, alongside multiple siphons. A rare desert water source, Dos Palmas Spring, sits near the small settlement of Graves, providing a stark contrast to the surrounding arid terrain. The southeastern corner of the map is defined by the Chocolate Mountain Aerial Gunnery Range, signaling the mid-century military presence in this part of Riverside County. Geologists and local historians can trace the deep incision of Orocopia Canyon as it winds toward the canal zone, passing near a mountain Tunnel and the high point at VABM 3815 Orocopia.

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Map Details

Date Portrayed1958
Date Published1991
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1958 Orocopia Canyon Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain