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1982 Map of Blackrock, 1985 Print
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1982 Map of Blackrock

USGS Topo · Published 1985

About this map

The Los Angeles Aqueduct and Old Railroad Grade define the transport and utility corridors of the Owens Valley in the early 1980s. This survey illustrates the intricate water management system surrounding the Blackrock Fish Hatchery, where Blackrock Springs, the Blackrock Ditch, and a series of bypasses navigate the valley floor. To the east, the terrain rises into the Inyo National Forest along Crystal Ridge, where the Black Jack Mine and Jack Black Mine suggest a history of prospecting in the foothills.

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Map Details

Date Portrayed1982
Date Published1985
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain