Westmorland anchor the western edge of this Imperial County landscape, where an intricate web of irrigation infrastructure supports the region's agricultural productivity. The map documents a sophisticated water management system, tracing the courses of the Alamo River and the New River alongside a dense network of man-made waterways like the Vail Supply Canal and Rockwood Canal. Smaller settlements and transit points including Fondo, Verdant, and Rockwood appear as nodes within this grid of fields and drains. The presence of Hovley Siding at the southern border underscores the historical importance of rail transport in moving crops from the desert's reclaimed fields to distant markets. Every lateral, drain, and road is precisely surveyed, providing a clear record of the rural infrastructure that sustains communities like Hovley in the early 21st century.
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This is the sole edition of this map. No revisions or reprints were ever made.
1907 · Holtville
USGS Topo · 1:125,000
1915 · El Centro
USGS Topo · 1:125,000
1940 · Brawley
USGS Topo · 1:62,500
1940 · Iris
USGS Topo · 1:62,500
1940 · Alamorio
USGS Topo · 1:62,500
1942 · El Centro
USGS Topo · 1:250,000
1943 · Brawley
USGS Topo · 1:62,500
1944 · Calipatria
USGS Topo · 1:62,500
1945 · Alamorio
USGS Topo · 1:62,500
1945 · Iris
USGS Topo · 1:62,500