Methods for comparing water-quality conditions among National Water-Quality Assessment Study Units, 1992-1995 /
by Robert J. Gilliom, David K. Mueller, and Lisa H. Nowell.
APA Citation
Gilliom, R. J., Nowell, L. H., Mueller, D. K., Geological Survey (U.S.)., National Water-Quality Assessment Program (U.S.). (1998). Methods for comparing water-quality conditions among National Water-Quality Assessment Study Units, 1992-1995. Sacramento, Calif.: U.S. Geological Survey .
MLA Citation
National Water-Quality Assessment Program (U.S.), et al.. Methods for Comparing Water-quality Conditions Among National Water-Quality Assessment Study Units, 1992-1995. Sacramento, Calif.: U.S. Geological Survey , 1998.
Warning: These citations may not always be complete (especially for serials).