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2018 Map of Orchard Peak

Name: 2018 Topographic Map of Orchard Peak
Creator: U.S. Geological Survey
Published: 2018
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2018

About this map

Annette and the high ridges of the Diablo Range define this landscape where the San Andreas Fault cuts a distinct line through the foothills. The map documents a complex network of seasonal water sources and canyons, including Poison Water Pond and the Governor Edmund G Brown Coastal Br California Aqueduct in the north. The terrain transitions from the high point at Orchard Peak down toward the Central Valley and San Joaquin Valley, bridged by historical travel routes like the Hilbrich Grade.

Local landmarks such as Twisselmann Lake, O'Brien Lake, and Long Lake appear alongside numerous named springs, suggesting the importance of water management in this dry environment. The area is marked by significant geographic passages including Polonio Pass and Palo Prieto Pass, which have long served as vital corridors through the hills. This 2018 survey provides an exact record of the land at the Kern Co and San Luis Obispo Co line, where the rural character of Choice Valley remains largely intact.