TY - RPRT TI - Potentiometric surface of the Lloyd Aquifer, Long Island, New York, in January 1979 AU - Cynthia D. Donaldson AU - Edward J. Koszalka PY - 1983 DO - 10.3133/ofr82162 UR - https://pubs.usgs.gov/publication/ofr82162 ID - ofr82162 ER -