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1987 Map of Congress Canyon, 1988 Print
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1987 Map of Congress Canyon

USGS Topo · Published 1988

About this map

The Humboldt Range dominates this late-twentieth-century landscape, revealing a high-desert terrain deeply scarred by mining history. In the eastern foothills, the settlements of Unionville and Buena Vista sit near the mouth of Buena Vista Creek, serving as focal points for the extensive mineral exploration documented across the slopes. The map is a meticulous record of extractive industry, noting dozens of specific sites including the Standard Mine, Inskip Mine, and Arizona Mine, alongside specialized infrastructure like the Straight Tunnel and Boston Tunnel. Drainage patterns are sharply defined through Congress Canyon and Monitor Canyon, while the western side of the range features the Rye Patch Mine and the Little Tungsten Mine nestled in the drainages of Rye Patch Canyon. This survey captures the region just as modern mapping techniques were being finalized, preserving the locations of numerous unnamed prospects and adits that point to a long legacy of prospecting.

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Map Details

Date Portrayed1987
Date Published1988
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1987 Congress Canyon 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