Elements of soil conservation.
Bennett, Hugh H. c1881-1960.
Elements of soil conservation. - 1st edition. - New York ; London : McGraw-Hill Book Company Incorporation, c1947. - x, 406 pages : illustrations (maps) ; 21 cm.
agr47000135
Soil conservation--United States.
Soil erosion--United States.
S623 / .B352
Elements of soil conservation. - 1st edition. - New York ; London : McGraw-Hill Book Company Incorporation, c1947. - x, 406 pages : illustrations (maps) ; 21 cm.
agr47000135
Soil conservation--United States.
Soil erosion--United States.
S623 / .B352