Your search for ""USGSSW63.5-142.5"" revealed the following:

Tanacross C-3 Alaska Historical topographic map, 1:63360 scale, 15 X 15 Minute, Year 1956

~ Tanacross C 3 AK topo map, 1:63360 scale, 15 X 15 Minute, Historical, 1956, updated 1962

Tanacross C-3 SW Alaska Current topographic map, 1:25000 scale, 7.5 X 7.5 Minute, Year 2013

~ Tanacross C 3 SW AK topo map, 1:25000 scale, 7.5 X 7.5 Minute, 2013

Tanacross C-3 Alaska Historical topographic map, 1:63360 scale, 15 X 15 Minute, Year 1956

~ Tanacross C 3 AK topo map, 1:63360 scale, 15 X 15 Minute, Historical, 1956, updated 1973

Tanacross C-3 Alaska Historical topographic map, 1:63360 scale, 15 X 15 Minute, Year 1956

~ Tanacross C 3 AK topo map, 1:63360 scale, 15 X 15 Minute, Historical, 1956, updated 1973