USGS topo maps
Topographic Maps by the United States Geological Survey (USGS)
~ Little Lake CA topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 2012
Sale price
$1895
$18.95
~ San Francisco CA topo map, 1:62500 scale, 15 X 15 Minute, Historical, 1915
Sale price
$1495
$14.95