Soil conservation :
hearings before the Subcommittee on Environment, Soil Conservation, and Forestry of the Committee on Agriculture, Nutrition, and Forestry, United States Senate, Ninety-fifth Congress, first session, April 11, 1977, Cumming and Whittier, Iowa.
|Corporate Author:||United States.|
Washington : U.S. Govt. Print. Off., 1977.
Water conservation /
Soil conservation > Soil conservation / Law and legislation > Soil conservation / Law and legislation / United States.
iii, 80 p. ;
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