TY  - RPRT
TI  - Microbial Quality of the Nation's Ground-Water Resources, 1993-2004
AU  - Sandra S. Embrey
AU  - Donna L. Runkle
PY  - 2006
DO  - 10.3133/sir20065290
UR  - https://pubs.usgs.gov/publication/sir20065290
ID  - sir20065290
ER  -