Kofa Mountains define the northeastern corner of this arid landscape in Yuma County, their steep contours rising sharply from the surrounding desert floor. This region is characterized by a network of drainage systems, most notably Yaqui Wash and N Star Wash, which cut through the terrain and illustrate the natural water flow across this portion of the Sonoran Desert. The map reveals a largely undeveloped wilderness punctuated only by the presence of Wellton Kofa Rd, which serves as a primary transit corridor through the southwestern portion of the quadrangle. The lack of settlements or industrial structures emphasizes the region's character as a managed natural area, with the land divisions of townships such as t2s r17w and t3s r16w providing the only human-imposed grid over the native topography.
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This is the sole edition of this map. No revisions or reprints were ever made.
1942 · Blythe
USGS Topo · 1:250,000
1942 · Vicksburg
USGS Topo · 1:250,000
1954 · Salton Sea
USGS Topo · 1:250,000
1954 · Phoenix
USGS Topo · 1:250,000
1955 · Salton Sea
USGS Topo · 1:250,000
1957 · Phoenix
USGS Topo · 1:250,000
1958 · Phoenix
USGS Topo · 1:250,000
1959 · Salton Sea
USGS Topo · 1:250,000
1960 · Phoenix
USGS Topo · 1:250,000
1962 · Kofa Butte
USGS Topo · 1:62,500