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1967 Map of Union Pass, 1980 Print
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1967 Map of Union Pass

USGS Topo · Published 1980

About this map

Black Mountains geology and mining history dominate this 1960s survey of the Mohave County desert. The landscape is defined by its arid complexity, with drainage systems like Katherine Wash and the deep cuts of Secret Pass Canyon illustrating the rugged hydrologic patterns of the region. Prospecting and resource extraction are clearly evidenced by the Tyro Mine in the northern reaches and the Arabian Mine further south, both situated amidst the dramatic elevations of Sugarloaf Mtn and Thumb Butte. This map also captures the critical transit route through Union Pass, a historically significant crossing for travelers navigating these peaks. Small but vital water sources such as Secret Pass Spring are marked throughout the terrain, providing a look at the essential points of interest for early settlers and miners in this remote part of Arizona near the Nevada border.

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Map Details

Date Portrayed1967
Date Published1980
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.8 inches

Editions of this 1967 Union Pass Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain