National water-quality assessment :
Geological Survey faces formidable data management challenges : report to the Chairman, Environment, Energy, and Natural Resources Subcommittee, Committee on Government Operations, House of Representatives /
United States General Accounting Office.
|Corporate Author:||United States.|
Washington, D.C. : The Office ; 1993]
National Water-Qualtiy Assessment Program (U.S.)
Water quality management > Water quality management / United States > Water quality management / United States / Evaluation.
Water quality management
24 p. :
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