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1915 Map of Lathrop

Name: 1915 Topographic Map of Lathrop
Creator: U.S. Geological Survey
Published: 1915
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1915

About this map

San Joaquin River meanders through a landscape defined by complex water management and overlapping land grants in the early twentieth century. The map highlights the agricultural and transport infrastructure of the San Joaquin Delta, notably within Roberts Island and the expansive tracts of El Pescadero and Campo de los Franceses. Local life centers around rural educational hubs like Island School, Mossdale School, and Rustic School, while the settlement of Lathrop serves as a critical railroad junction.

The rail network is particularly dense here, featuring the Western Pacific and several branches of the Southern Pacific, including the Southern Pacific Fresno Line and the Sacramento Line. Man-made modifications to the natural hydrology are evident in features like Paradise Cut, Paradise Dam, and the crossing at Brant Bridge, illustrating the era's intensive efforts to reclaim and protect the fertile river bottomlands for cultivation.