
The agricultural development of the northern San Joaquin Valley is clearly defined here as of 1912, centered on the small siding of Avena and the neighboring Ellsworth PO. This landscape was undergoing a rapid transformation from dry ranching to intensive farming, facilitated by the expanding infrastructure of the South San Joaquin Irrigation District. A network of ditches and canals crosses the plains, supported by foundational roadways like Mariposa Road and Lone Tree Road.
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This is the sole edition of this map. No revisions or reprints were ever made.
1914 · Burnham
USGS Topo · 1:31,680
1914 · Manteca
USGS Topo · 1:31,680
1915 · Ripon
USGS Topo · 1:31,680
1915 · Trigo
USGS Topo · 1:31,680
1915 · Peters
USGS Topo · 1:31,680
1915 · Salida
USGS Topo · 1:31,680
1915 · Thalheim
USGS Topo · 1:31,680
1916 · Riverbank
USGS Topo · 1:31,680
1939 · Modesto East
USGS Topo · 1:62,500
1941 · Modesto West
USGS Topo · 1:62,500