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U.S. Geological Survey
National Water-Quality Assessment Program
USGS Internal Access Only
Investigators: David Anning, Jena Green
Report proposal (Dec. 28, 2007)
Draft Report outline (Dec. 28, 2007)
Back to the Basin and Range Alluvial and Carbonate-rock Aquifers Status and Trends page.
Back to the Southwest Principal Aquifers (SWPA) Regional Assessment page.