USGS Water Resources of Arizona
USGS NAWQA
USGS Water Resources Home Page
USGS Home Page
What is NAWQA?
For a look at the locations of the National Water-Quality Assessment Cycle II study units, click here.
This page is at URL http://az.water.usgs.gov/cazb/index.html. This page was developed on a Power Macintosh 8600, and updated on a Macintosh G4. It is maintained by jahr@usgs.gov Last modified January 8, 2004