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1953 Map of San Luis Creek

Name: 1953 Topographic Map of San Luis Creek
Creator: U.S. Geological Survey
Published: 1964
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1964

About this map

San Luis Ranch and Romero Ranch stand as prominent markers of the mid-century agricultural landscape in Merced County, where the transition from ranching traditions to modern irrigation is clearly visible. The eastern portion of the map is defined by an emerging water delivery network, including the Delta-Mendota Canal, the San Luis Canal, and a siphon and pumping station that signal the massive mid-century changes to California's hydraulic infrastructure. This interplay between the natural flow of San Luis Creek and the engineered waste-way illustrates the intensive management of resources during this era.

Rising to the south, Basalt Hill and its lookout overlook a network of rural routes such as Pacheco Pass Road and Billie Wright Road. Researchers can trace the seasonal hydrology of the region through numerous springs, including Jasper Springs, and the various reservoirs that supported local ranching operations. The presence of multiple windmills across the territory further underscores the reliance on groundwater for the remote homesteads of the San Luis Gonzaga area.