Soil survey, the Duncan area, Arizona -New Mexico /

[Washington, D.C.] : U.S. Department of Agriculture, Agricultural Research Administration Bureau of Plant Industry, Soils, and Agricultural Engineering and Soil Conservation Service, 1950

Soil survey of Mora County area, New Mexico /

by Sellnow, Steven L.
[Washington, D.C.?] : The Service, 1985

Soil survey of De Baca County, New Mexico /

by Hill, Robert A., 1953-
[Washington, D.C.?] : The Service, 1986

Soil survey of Cibola Area, New Mexico, parts of Cibola, McKinley, and Valencia counties /

by Parham, Tommie Lee
[Washington, D.C.?] : United States Department of Agriculture, Soil Conservation Service, 1993