
The Trigo Mountains and Chocolate Mountains dominate this arid landscape in La Paz County, forming a rugged topographic corridor defined by ancient drainage patterns. The map details the central prominence of Trip Mtn and the namesake Red Hill, standing as distinct landmarks amid a network of seasonal watercourses. These desert ephemeral streams, including the prominent McAllister Wash and Yuma Wash, reveal the erosional history and natural pathways that have shaped land use and traversal in this remote corner of Arizona. The lack of modern development or permanent settlements underscores the primary character of this region as a wilderness defined by its geology and the Public Land Survey System grids of t2s r22w and t2s r21w.
10 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.
1934 · Trigo Peaks
USGS Topo · 1:48,000
1939 · Red Hill
USGS Topo · 1:62,500
1939 · Trigo Peaks
USGS Topo · 1:62,500
1942 · Blythe
USGS Topo · 1:250,000
1945 · Cibola
USGS Topo · 1:62,500
1945 · Picacho
USGS Topo · 1:62,500
1951 · Picacho
USGS Topo · 1:62,500
1951 · Cibola
USGS Topo · 1:62,500
1954 · Salton Sea
USGS Topo · 1:250,000
1954 · Red Hill
USGS Topo · 1:62,500