TY - RPRT TI - Analytical results for 186 water samples collected in Berks, Bucks, Chester, Lancaster, and Montgomery counties, Pennsylvania AU - W. H. Ficklin AU - J. B. McHugh AU - J.M. McNeal PY - 1985 DO - 10.3133/ofr85667 UR - https://pubs.usgs.gov/publication/ofr85667 ID - ofr85667 ER -