bear valley springs - map search
Topographic map 002828 of scale 1:24 000
English - US Geological Survey - 1930 - 1Mb -
Topographic map g18-d of scale 1:500 000
English - US military - 1993 - 12Mb -
Topographic map 053145 of scale 1:63 000
English - US Geological Survey - 1943 - 6Mb -