Microfiche version: United States. Congress. Senate. Committee on Agriculture, Nutrition, and Forestry. Subcommittee on Agricultural Research, Conservation, Forestry, and General Legislation. Soil and water quality. [Bethesda, Md.] : ProQuest,[2004]
Print version: United States. Congress. Senate. Committee on Agriculture, Nutrition, and Forestry. Subcommittee on Agricultural Research, Conservation, Forestry, and General Legislation. Soil and water quality