Sentinel occupies a central position along the northern transit corridor of this Maricopa County landscape, where the vast desert terrain is defined by the Public Land Survey System grids of t6s r9w and t7s r9w. The settlement’s proximity to major infrastructure is clear, as it sits just south of a principal roadway and the intersection of S Agua Caliente Rd. This 2014 survey by the U.S. Geological Survey illustrates the spare, open nature of the region, where wide-spaced elevation contours reveal the gentle undulations of the southwestern topography. Beyond the small concentration of activity at Sentinel, the map is dominated by the geometric boundaries of western land divisions, including t8s r9w, providing a clear record of land management and transportation patterns in this part of Arizona.
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.
1927 · Aguila Mountains
USGS Topo · 1:48,000
1929 · Aztec
USGS Topo · 1:62,500
1930 · Aguila Mountains
USGS Topo · 1:62,500
1949 · Sentinel
USGS Topo · 1:62,500
1950 · Sentinel
USGS Topo · 1:62,500
1950 · Aztec
USGS Topo · 1:62,500
1953 · Ajo
USGS Topo · 1:250,000
1957 · Ajo
USGS Topo · 1:250,000
1958 · Ajo
USGS Topo · 1:250,000
1962 · Ajo
USGS Topo · 1:250,000