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1988 Map of Ninemile Wash
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1988 Map of Ninemile Wash

USGS Topo · Published 1988

About this map

The Chocolate Mountains dominate this California desert landscape, defined by a heavy industrial and military presence in the late twentieth century. Large portions of the terrain are designated as part of the Naval Aerial Gunnery Range, reflecting the area's role in mid-century defense operations. The map reveals an intensive history of resource extraction, centered around major operations like the Mesquite Mine and smaller ventures such as the Rainbow Mine, Vista Mine, and the Old Channel Mine Shaft. The drainage of Ninemile Wash cuts through the arid basins between the peaks of Black Mountain and the main range, where numerous unnamed prospects indicate the persistent search for minerals across these public and reservation lands. A complex network of 4wd tracks and a prominent Trans Line provide the only infrastructure in this sparsely settled mining corridor.

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Map Details

Date Portrayed1988
Date Published1988
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1988 Ninemile Wash Map

Historical Maps of Imperial County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain