Soil survey of Cambria County, Pennsylvania /

by Farley, William H.
[Washington, D.C.?] : The Service, 1985

Soil survey of Lycoming County, Pennsylvania /

by Kohler, Clifford D.
[Washington, D.C.?] : The Service, 1986

Soil survey of Wayne County, Pennsylvania /

by Martin, George D.
[Washington, D.C.?] : The Service, 1985

Soil survey of Cumberland and Perry Counties, Pennsylvania /

by Zarichansky, John
[Washington, D.C.?] : The Service, 1986

Soil survey of Bradford and Sullivan Counties, Pennsylvania /

by Grubb, Robert G.
[Washington, D.C.?] : The Service, 1986

Soil survey of Franklin County, Pennsylvania /

by Long, Richard Stokes, 1909-
[Washington] : The Service, 1975

Soil survey of Warren and Forest Counties, Pennsylvania /

by Cerutti, James R.
[Washington, D.C.?] : The Service, 1985