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1989 Map of Paso Robles

Name: 1989 Topographic Map of Paso Robles
Creator: U.S. Geological Survey
Published: 1989
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1989

About this map

The Salinas River valley serves as the central corridor for this 1989 topographic survey, where the Southern Pacific railroad and U S 101 connect the regional hubs of Paso Robles, Atascadero, and Templeton. To the west, the landscape is defined by the steep Santa Lucia Range and the waters of Nacimiento Reservoir and San Antonio Reservoir. The map illustrates a transitional economy of agriculture and defense, notably centered on the sprawling Camp Roberts Military Reservation near San Miguel.

Further east, the geological significance of the region is clear as the San Andreas Rift Zone cuts through the Cholame Hills, separating the river valley from the dry expanses of the Kettleman Plain and Sunflower Valley. Local mining history is represented by the Klau Mine and Buena Vista Mine in the coastal mountains, while remote outposts like Parkfield and Annette mark the rugged interior gaps of the Temblor Range.