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~ Ackerson Mountain CA topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 2012
~ Ackerson Mountain CA topo map, 1:24000 scale, 7.5 X 7.5 Minute, 2015
~ Ackerson Mountain CA topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 2001, updated 2004
~ Ackerson Mountain CA topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 1990, updated 1990
~ Ackerson Mountain CA topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 1992, updated 1995