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1977 Map of Silver Spur Ridge, 1987 Print
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1977 Map of Silver Spur Ridge

USGS Topo · Published 1987

About this map

Nez Perce National Forest provides the setting for this detailed 1977 survey, where high ridges and deep drainages define a landscape of remote mountain industry. The map highlights a significant concentration of mining history north of Big Creek, including the Hematite Mine, Gold Master Mine, and the Union Group Mines. These sites, alongside the Goldbug Mine and Eutopia Mine, suggest a period of active mineral exploration across the slopes of Columbia Ridge and Mc Guire Ridge.

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Map Details

Date Portrayed1977
Date Published1987
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1977 Silver Spur Ridge Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain