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1970 Map of Parker NW

Name: 1970 Topographic Map of Parker NW
Creator: U.S. Geological Survey
Published: 1977
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1977

About this map

The Whipple Mountains dominate this arid landscape, where the extraction of minerals and the transport of water define the local geography. At the southern edge of the range, several historic mining operations such as the Turk Mine, Twin Lode Mine, and Riverview Mine are visible, suggesting a period of significant prospecting activity. The terrain is marked by numerous Jeep Trails and the historic Chambers Well Road, which wind through the complex topography toward the Vidal Valley.

Infrastructure for state-wide water management is prominently featured, with the Colorado River Aqueduct traversing the quadrangle via a series of Siphons. In the southeastern corner, the tiny settlement of Calzona sits along the Atchison Topeka and Santa Fe railroad line, right at the Indian Reservation Boundary. This intersection of rail transport, water infrastructure, and high-desert mining provides a clear picture of the industrial development in eastern San Bernardino County during the late twentieth century.