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1999 Map of Illinois Hill, 2002 Print
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1999 Map of Illinois Hill

USGS Topo · Published 2002

About this map

Mining operations and rugged foothills characterize this landscape near the border of the Mariposa and Merced county lines. The area is marked by a dense concentration of historical workings, including the Great Northern Mine, Pocahontas Mine, and Klondike Mine, which follow the gold-bearing veins through the western Sierra Nevada. These industrial sites are interspersed with small foothill settlements such as Ganns and Preston, while the White Rock Cem and White Rock Fire Control Sta serve as central community and administrative landmarks for the drainage basin.

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Map Details

Date Portrayed1999
Date Published2002
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.5 x 26.8 inches

Editions of this 1999 Illinois Hill Map

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

Historical Maps of Mariposa County Through Time

134 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain