Your search for ""USGSSW42.875-120.125"" revealed the following:

~ Alkali Lake OR topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 1984, updated 1984

~ Alkali Lake OR topo map, 1:24000 scale, 7.5 X 7.5 Minute, Current, 2014

~ Alkali Lake OR topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 2011