2
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Land husbandry a frameworh for soil and water conservation
HUDSON, N.W.
Additional Author
SANDERS, D.W.
Additional Author
SHAXSON, T.F.
Additional Author
mixed material
0935734201
LOWA
SOIL AND WATER CONSERVATION SOCIETY
1989
Conservation farming on steep lands
HUDSON, N.W.
Additional Author
MOLDENHAUER, W.C.
Additional Author
mixed material
0935734198
IOWA
SOIL AND WATER CONSERVATION SOCIETY
1988