TY - RPRT TI - Potentiometric surface of the Lloyd aquifer on Long Island, New York, in January 1975 AU - Charles A. Rich AU - Keith R. Prince AU - Anthony G. Spinello PY - 1975 DO - 10.3133/70039621 UR - https://pubs.usgs.gov/publication/70039621 ID - 70039621 ER -