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1979 Map of San Pedro, 1985 Print
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1979 Map of San Pedro

USGS Topo · Published 1985

About this map

San Pedro and the high desert terrain of the Roskruge Mountains anchor this late 1970s survey within the Papago Indian Reservation. The landscape is defined by its arid drainage network, where Viopuli Wash and Mendoza Wash converge toward the Brawley Wash in the south. These intermittent watercourses dictate the placement of local infrastructure, including remote outposts like U-Diamond Ranch and Coleman Ranch, which depend on scattered water sources such as Townsend Well and Dill Well.

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Map Details

Date Portrayed1979
Date Published1985
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1979 San Pedro Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain