Your search for "AREA31.7531.5-108.75-108.5" revealed the following:

Walnut Wells New Mexico Historical topographic map, 1:62500 scale, 15 X 15 Minute, Year 1923

~ Walnut Wells NM topo map, 1:62500 scale, 15 X 15 Minute, Historical, 1923

Walnut Wells New Mexico Historical topographic map, 1:62500 scale, 15 X 15 Minute, Year 1918

~ Walnut Wells NM topo map, 1:62500 scale, 15 X 15 Minute, Historical, 1918, updated 1923

Walnut Wells New Mexico Historical topographic map, 1:62500 scale, 15 X 15 Minute, Year 1918

~ Walnut Wells NM topo map, 1:62500 scale, 15 X 15 Minute, Historical, 1918, updated 1923

Walnut Wells New Mexico Historical topographic map, 1:62500 scale, 15 X 15 Minute, Year 1918

~ Walnut Wells NM topo map, 1:62500 scale, 15 X 15 Minute, Historical, 1918