
Copper mining operations and railroad corridors dominate this 1933 tactical survey of the Arizona-Sonora borderlands. The high-altitude activity centered around Bisbee is depicted in detail, with residential and industrial pockets like Lowell, Bakersfield, and Tin Town crowding the base of the Mule Mountains. These mining camps and towns are connected by the Borderland Route U.S. Highway No. 80, winding through Black Gap and toward the east.
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This is the sole edition of this map. No revisions or reprints were ever made.
1902 · Bisbee
USGS Topo · 1:62,500
1910 · Bisbee
USGS Topo · 1:62,500
1914 · Hereford
USGS Topo · 1:125,000
1914 · Douglas
USGS Topo · 1:62,500
1915 · Benson
USGS Topo · 1:125,000
1916 · Pearce
USGS Topo · 1:125,000
1916 · Douglas
USGS Topo · 1:125,000
1919 · Douglas
USGS Topo · 1:125,000
1922 · Swisshelm
USGS Topo · 1:62,500
1925 · Douglas
USGS Topo · 1:62,500