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1986 Map of Placer Canyon, 1987 Print
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1986 Map of Placer Canyon

USGS Topo · Published 1987

About this map

Industrial mining operations meet the protected desert landscape in this mid-1980s study of the Eagle Mountains. The southern portion of the sheet is dominated by the massive Eagle Mountain Mine and its associated Central Deposit, highlighting the intense extraction activity that defined this corner of Riverside County. These workings sit just south of the National Monument and Wilderness Boundary, creating a sharp contrast between the industrial footprint and the preserved wilderness of the Joshua Tree National Monument.

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Map Details

Date Portrayed1986
Date Published1987
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.24 x 27.34 inches

Editions of this 1986 Placer Canyon Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain