TY - RPRT TI - Occurrence and distribution of microbiological contamination and enteric viruses in shallow ground water in Baltimore and Harford counties, Maryland AU - William S.L. Banks AU - David A. Battigelli PY - 2002 DO - 10.3133/wri014216 UR - https://pubs.usgs.gov/publication/wri014216 ID - wri014216 ER -