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1955 Map of San Vicente Reservoir

Name: 1955 Topographic Map of San Vicente Reservoir
Creator: U.S. Geological Survey
Published: 1973
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1973

About this map

The San Vicente Reservoir and its surrounding canyonlands reflect the mid-century water management and infrastructure expansion of San Diego County. This 1955 survey, with updates from 1971, highlights the critical path of the San Diego Aqueduct and the Tunnel Aqueduct, which cut through the steep topography of Iron Mtn and Vallecitos. The landscape is a mix of agricultural legacies and military influence, bordering the Camp Elliott Naval Reservation to the west and the Barona Indian Reservation to the east.

Local development is captured through family-named landholdings and small rural clusters like Goodan Ranch, Wildwood Ranch, and Eucalyptus Hills. The map traces historical transit routes like the Mussey Grade Road and Foster Truck Trail, which provided access to remote valleys such as Kimball Valley and Muth Valley. Industrial activity is noted by several Quarries and a Quarry near the San Diego River corridor.