San Luis Island dominates this portion of the San Joaquin Valley, defined by a complex network of wetlands and hydraulic engineering. The San Joaquin River winds along the eastern boundary, while the interior is marked by numerous waterways including Deadmans Slough and Deep Slough. The landscape reflects a transition from natural riverine features like Big Buttonwillow Lake to a highly managed agricultural environment. Major infrastructure such as the San Luis Canal and the Santa Fe Grade support the local ranching economy. Named agricultural outposts, including Exeter Farms, Hereford Ranch, and the San Luis Ranch, are situated amidst an intricate system of lateral drains and canals like Island Canal D and the West Delta Drain.
27 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1916 · Delta Ranch
USGS Topo · 1:24,000
1918 · Arena
USGS Topo · 1:31,680
1918 · Stevinson
USGS Topo · 1:31,680
1918 · Gustine
USGS Topo · 1:31,680
1918 · Turner Ranch
USGS Topo · 1:31,680
1919 · San Luis Ranch
USGS Topo · 1:31,680
1919 · Ingomar
USGS Topo · 1:31,680
1921 · Volta
USGS Topo · 1:31,680
1921 · Los Banos
USGS Topo · 1:31,680
1922 · Delta Ranch
USGS Topo · 1:31,680