morongo valley - map search
Topographic map 069012 of scale 1:250 000
English - US Geological Survey - 1958 - 8Mb -
Topographic map 077253 of scale 1:63 000
English - US Geological Survey - 1955 - 9Mb -
Topographic map 069012 of scale 1:250 000
English - US Geological Survey - 1956 - 11Mb -