TY  - RPRT
TI  - Microbiological monitoring for the U.S. Geological Survey National Water-Quality Assessment Program
AU  - Donna S. Francy
AU  - Donna N. Myers
AU  - Dennis R. Helsel
PY  - 2000
DO  - 10.3133/wri004018
UR  - https://pubs.usgs.gov/publication/wri004018
ID  - wri004018
ER  -