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Author/Creator
- Jackson, Wes5
- United States5
- United States. Agricultural Research Service5
- ebrary, Inc5
- United States. Congress. House. Committee on Science and Technology. Subcommittee on Natural Resources, Agriculture Research, and Environment4
- United States. Environmental Protection Agency4
- Yandle, Bruce4
- Carlisle, Liz3
- Environmental Monitoring Systems Laboratory (Las Vegas, Nev.)3
- Fox, Michael W., 1937-3
- Heck, Walter Webb, 1926-3
- National Research Council (U.S.). Committee on Long-Range Soil and Water Conservation3
- United States. Congress. House. Committee on Agriculture. Subcommittee on Conservation and Credit3
- United States. Congress. House. Committee on Government Operations. Government Information, Justice, and Agriculture Subcommittee3
- United States. Congress. House. Committee on Science and Technology. Subcommittee on Natural Resources and Environment3
- United States. Congress. Senate. Committee on Agriculture, Nutrition, and Forestry. Subcommittee on Agricultural Research, Conservation, Forestry, and General Legislation3
- United States. Congress. Senate. Committee on Agriculture, Nutrition, and Forestry. Subcommittee on Research, Nutrition, and General Legislation3
- United States. Environmental Protection Agency. Environmental Monitoring and Assessment Program3
- Warner, Keith3
- Albrecht, Don E.2