ATTACHMENT A
REFERENCES
National Research Council (NRC). 2002. Opportunities to Improve the U.S. Geological Survey National Water Quality Assessment Program. Washington, D.C.: National Academies Press.
National Research Council (NRC). 2009. Towards a Sustainable and Secure Water Future: A Leadership Role for the USGS. Washington, D.C.: National Academies Press.
Service, R. F. 2004. As the west goes dry. Science 303(5661):1124-1127.