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Author/Creator
- United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Water Resources2
- Geological Survey (U.S.), issuing body1
- Louma, James A.1
- Mayer, Denise A.1
- United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Investigations and Oversight1
- United States. General Accounting Office1
- Weber, Kerry L.1