
The Alamo River snakes through the heart of the Imperial Valley's intensive agricultural grid, revealing a landscape defined by an intricate network of irrigation laterals and drains. Around the hub of Holtville, the map shows a developed community featuring the Holtville High Sch, Holt Park, and industrial elements like Grain Elevators and Settling Tanks. The surrounding countryside is dotted with markers of a shifting rural population, from the active Meadows Union School to the Rose School (Aban'd) and Acacia Sch (Aban'd), which hint at the consolidation of early 20th-century school districts.
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4 editions found
1907 · Holtville
USGS Topo · 1:125,000
1915 · El Centro
USGS Topo · 1:125,000
1940 · Brawley
USGS Topo · 1:62,500
1940 · Heber
USGS Topo · 1:62,500
1940 · Alamorio
USGS Topo · 1:62,500
1940 · Calexico
USGS Topo · 1:62,500
1942 · El Centro
USGS Topo · 1:250,000
1943 · Heber
USGS Topo · 1:62,500
1943 · Brawley
USGS Topo · 1:62,500
1943 · Calexico
USGS Topo · 1:62,500