Your search for ""USGSNW38.5-107.5"" revealed the following:

~ Uncompahgre CO topo map, 1:125000 scale, 30 X 30 Minute, Historical, 1911

~ Uncompahgre CO topo map, 1:125000 scale, 30 X 30 Minute, Historical, 1908, updated 1954

~ Uncompahgre CO topo map, 1:125000 scale, 30 X 30 Minute, Historical, 1908, updated 1960

~ Uncompahgre CO topo map, 1:125000 scale, 30 X 30 Minute, Historical, 1911, updated 1944

~ Curecanti Needle CO topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 2013

~ Curecanti Needle CO topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 2011

~ Curecanti Needle CO topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 1956, updated 1963

~ Curecanti Needle CO topo map, 1:24000 scale, 7.5 X 7.5 Minute, 2016

~ Curecanti Needle CO topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 2001, updated 2004

~ Curecanti Needle CO topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 1956, updated 1957

~ Curecanti Needle CO topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 1956, updated 1984

~ Curecanti Needle CO topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 1956, updated 1984