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

Natural and anthropogenic characteristics of alluvial basins in the southwestern United States

Investigators: Tim McKinney, Sue Thiros, David Anning

Objectives:

1. Compile and develop regionally available information on possible proxies for natural and anthropogenic factors that may affect ground-water quality in the basin-fill aquifers of the southwestern United States
2. Make the GIS data sets accessible.

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.