Overview
As part of the U.S. Geological Survey National Water- Quality Assessment (NAWQA) Program, the Southwest Principal Aquifers (SWPA) study is building a better understanding of the factors that affect water quality in basin-fill aquifers in the Southwestern United States. The SWPA study area includes four principal aquifers of the United States: the Basin and Range basin-fill aquifers in California, Nevada, Utah, and Arizona; the Rio Grande aquifer system in New Mexico and Colorado; and the California Coastal Basin and Central Valley aquifer systems in California.
- | Author: U. S. Department of the Interior
- | Publisher: Createspace Independent Publishing Platform
- | Publication Date: Oct 09, 2014
- | Number of Pages: 100 pages
- | Binding: Paperback or Softback
- | ISBN-10: 1502525534
- | ISBN-13: 9781502525536
