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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 Mountain Aerial Gunnery Range dominates the high desert landscape of Imperial County in this late 1980s provisional study. The map reveals an area defined by intense mineral exploration and military designation, where countless prospects and prospect pits dot the arid terrain. Commercial mining activity is prominent, anchored by the Mesquite Mine and Rainbow Mine, while historic operations like the Old Channel Mine Shaft suggest a long legacy of extraction in these mountains.

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Map Details

Date Portrayed1988
Date Published1988
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.1 x 26.8 inches

Editions of this 1988 Ninemile Wash Map

Historical Maps of Imperial County Through Time

419 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain