
Agricultural development and water management define this Central Valley landscape during the mid-1940s. The Southern Pacific railroad corridor serves as the primary spine for settlement, connecting the established community of Gustine to the smaller siding at Ingomar and the nearby Ingomar Ranch. This era represents a period of significant hydraulic engineering, evidenced by the large-scale San Luis Canal and Santa Fe Canal that redirect water across the arid plains. Natural drainages like Garzas Creek, Los Banos Creek, and Mud Slough intersect a grid of irrigation ditches and wells, supporting a landscape of intensive farming and ranching. Infrastructure for water and recreation is also visible, including the Linora Pumping Station and the Gustine Gun Club, illustrating how the land was organized for both production and sport.
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This is the sole edition of this map. No revisions or reprints were ever made.
1917 · Newman
USGS Topo · 1:31,680
1918 · Stevinson
USGS Topo · 1:31,680
1918 · Gustine
USGS Topo · 1:31,680
1919 · Orestimba
USGS Topo · 1:62,500
1919 · San Luis Ranch
USGS Topo · 1:31,680
1919 · Ingomar
USGS Topo · 1:31,680
1920 · Pacheco Pass
USGS Topo · 1:62,500
1921 · Volta
USGS Topo · 1:31,680
1921 · Los Banos
USGS Topo · 1:31,680
1922 · San Luis Creek
USGS Topo · 1:31,680