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1948 Map of Mesa Grande, 1984 Print
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1948 Map of Mesa Grande

USGS Topo · Published 1984

About this map

Mesa Grande Indian Res and the neighboring Santa Ysabel Indian Reservation anchor this 1948 survey of the San Diego backcountry. The landscape is defined by the high-elevation waters of Lake Henshaw in the northeast, where the San Luis Rey River begins its descent through the Cleveland National Forest. This era of the map shows a specialized mountain economy where ranching at the Almond Ranch met a legacy of hard-rock mineral extraction. Near Gem Hill, a concentration of workings including the Himalaya Mine, Esmeralda Mine, and San Diego Mine points to the region's historic significance for gemstone and mineral prospecting. The mapping of the Mesa Grande Truck Trail and Ysabel Truck Trail illustrates the mid-century infrastructure required to manage these remote timber and mining districts.

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Map Details

Date Portrayed1948
Date Published1984
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions21.9 x 26.8 inches

Editions of this 1948 Mesa Grande Map

Historical Maps of Mesa Grande Reservation Through Time

192 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain