TY - RPRT TI - Quality of Source Water from Public-Supply Wells in the United States, 1993-2007 AU - Patricia L. Toccalino AU - Julia E. Norman AU - Kerie J. Hitt PY - 2010 DO - 10.3133/sir20105024 UR - https://pubs.usgs.gov/publication/sir20105024 ID - sir20105024 ER -