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1981 Map of Silver Reef Mts., 1993 Print
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1981 Map of Silver Reef Mts.

USGS Topo · Published 1993

About this map

Mining operations and tribal lands define this arid landscape within the Papago Indian Reservation during the late 1970s and early 1980s. The Silver Reef Mountains serve as the dominant geological feature, hosting a concentrated cluster of industrial sites including the Silver Reef Mine, Magnesium Queen Mines, and the Copper Standard Mines. These workings, along with several Borrow Pits and a Quarry, point to a period of active resource extraction in Pinal County.

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Map Details

Date Portrayed1981
Date Published1993
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1981 Silver Reef Mts. Map

Historical Maps of Sif Oidak District Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain