Bibliography on soil erosion and soil and water conservation
Gaines, Stanley Harry
Bibliography on soil erosion and soil and water conservation - Washington, D.C. : Government Printing Office, 1938 - 651 p. - EUA. Miscellaneous publication ; 312 . - EUA. Miscellaneous publication ; 312 .
70977
Agua--Conservacion--Bibliografia.
Erosión--Bibliografía.
Suelos--Conservación--Bibliografía.
631.45016 / G3
Bibliography on soil erosion and soil and water conservation - Washington, D.C. : Government Printing Office, 1938 - 651 p. - EUA. Miscellaneous publication ; 312 . - EUA. Miscellaneous publication ; 312 .
70977
Agua--Conservacion--Bibliografia.
Erosión--Bibliografía.
Suelos--Conservación--Bibliografía.
631.45016 / G3
