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1994 Map of Casa Diablo Mtn, 1997 Print
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1994 Map of Casa Diablo Mtn

USGS Topo · Published 1997

About this map

Casa Diablo Mtn anchors this high-desert landscape in the mid-1990s, where the eastern Sierra foothills meet the Volcanic Tableland. Industrial and water management history is etched into the terrain through a complex system of infrastructure along the Owens River Gorge, featuring Tunnel No 1, Tunnel No 2, and Tunnel No 3 feeding into a Powerhouse. The map documents the resource extraction history of the area at the Casa Diablo Mine and several scattered prospects, while also highlighting evolving conservation priorities through the designation of the Fish Slough Area of Critical Environmental Concern. Transportation history is visible in the winding path of the Old Sherwin Grade as it navigates the elevation changes near Sherwin Hill, contrasted with the straight utility of the Casa Diablo Road cutting across the Inyo National Forest.

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Map Details

Date Portrayed1994
Date Published1997
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.93 x 26.63 inches

Editions of this 1994 Casa Diablo Mtn Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain