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1990 Map of Harquahala Mountain
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1990 Map of Harquahala Mountain

USGS Topo · Published 1990

About this map

Harquahala Mountains rise as the dominant landform in this desert region, crossing the boundary between La Paz and Maricopa counties. The map reveals a landscape defined by 20th-century mineral exploration, with numerous prospects, adits, and mine shafts scattered across the slopes. Notable workings include the Monterey Mine Prospect and the Sunshine Mine, while an Open Pit Mine near Arrastre Gulch indicates more intensive extraction efforts. Higher elevations are marked by the presence of a Radio Tower atop Harquahala Mountain and the strategic gap of Sunset Pass. Despite the arid environment, several water sources like Cottonwood Spring and Seep Spring are documented, which likely served as vital points for early mining camps and prospectors navigating the canyons and washes.

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Map Details

Date Portrayed1990
Date Published1990
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.9 inches

Editions of this 1990 Harquahala Mountain Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain