2018 Map of O'Neill Hills
USGS Topo · Published 2018About this map
O'Neills Grave rests near O'Neill Pass, marking a singular historical point in this desert landscape along the border of the United States and Mexico. This 2018 survey reveals the physical geography of the O'Neill Hills and the northern reaches of the Agua Dulce Mountains. The terrain is defined by dry watercourses like Papago Wash and the winding course of Davidson Canyon. Historically, this area represents the intersection of the Yuma County and Pima County lines, situated in a remote arid region where elevations rise sharply at Papago Mtn. The map provides a contemporary record of the international boundary and the isolated peaks that dominate this borderland corridor.
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Map Details
Editions of this 2018 O'Neill Hills Map
This is the sole edition of this map. No revisions or reprints were ever made.
Other maps of this area
1953 · Ajo
USGS Topo · 1:250,000
1954 · Sonoyta
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
1963 · Ajo
USGS Topo · 1:250,000
1963 · Quitobaquito Springs
USGS Topo · 1:62,500
1963 · Lukeville
USGS Topo · 1:250,000
1964 · Agua Dulce Mts
USGS Topo · 1:62,500
1965 · O'Neill Hills
USGS Topo · 1:62,500