U.S. Geological Survey
National Water-Quality Assessment Program
USGS Internal Access Only

Conceptual understanding and ground-water quality of selected basins-fill aquifers in the southwestern United States

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.