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1981 Map of Seven Troughs SE, 1982 Print
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1981 Map of Seven Troughs SE

USGS Topo · Published 1982

About this map

The Seven Troughs Range and Trinity Range dominate this desert landscape, framing the expansive drainage basins of Sage Valley and Granite Springs Valley. Compiled from 1974 aerial photography and field checked in the mid-1970s, the map reveals a high concentration of extractive industry concentrated along the eastern slopes. The Eagle Picher Mine stands as the primary landmark in this mineral-rich corridor, surrounded by numerous unnamed Mines and various Prospects scattered across the basin-and-range topography. Topographic detail captures the steep ascent of Toll Rock Canyon and the surrounding ridgelines, illustrating the isolation of these industrial sites within the arid Nevada interior during the early 1980s.

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Map Details

Date Portrayed1981
Date Published1982
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 27 inches

Editions of this 1981 Seven Troughs SE 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