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National Water-Quality Assessment Program: Central Arizona Basins

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National Water-Quality Assessment Program: Central Arizona Basins; 1994; FS; 016-94; Cordy, Gail E.

Summary

In 1991, the U.S. Geological Survey (USGS) began to implement a full-scale National Water-Quality Assessment (NAWQA) program. The long-term goals of the NAWQA program are to describe the status and trends in the quality of a large, representative part of the Nation's surface-water and ground-water resources and to provide a sound, scientific understanding of the primary natural and human factors affecting the quality of these resources. In meeting these goals, the program will produce a wealth of water-quality information that will be useful to policymakers and managers at the National, State, and local levels. Studies of 60 hydrologic systems that include parts of most major river basins and aquifer systems (study-unit investigations) [...]

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Author :
Gail E. Cordy
Publisher :
U.S. Geological Survey

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Type Scheme Key
local-index unknown fs01694
local-pk unknown 5144
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.3133/fs01694
series unknown Fact Sheet

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journalFact Sheet
languageEnglish

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