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1970 Map of San Gorgonio Mtn, 1994 Print
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1970 Map of San Gorgonio Mtn

USGS Topo · Published 1994

About this map

San Gorgonio Mtn dominates this high-altitude landscape within the San Bernardino National Forest, where steep canyons and alpine ridges create a complex drainage network for the Whitewater River and Mill Creek. The map documents the intersection of wilderness and early infrastructure, including the Banning San Gorgonio Flume and a Powerhouse near Big Oaks. These water-management features, alongside the Mill Creek Mine (Quarry), illustrate the industrial utility of the mountains for the surrounding valley communities. Small mountain outposts like South Fork Cabins and East Fork Cabin are nestled near the San Gorgonio Wilderness boundary, while the southern reaches of the map descend toward the Morongo Indian Reservation at Burro Flats. The presence of many named springs and flats, such as Lodgepole Spring and Raywood Flat, highlights the critical water sources that once sustained seasonal mountain camps and early forest management.

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Map Details

Date Portrayed1970
Date Published1994
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.8 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain