TY - RPRT TI - Crude oil in a shallow sand and gravel aquifer—I. Hydrogeology and inorganic geochemistry AU - P.C. Bennett AU - D.E. Siegel AU - M.J. Baedecker AU - M. F. Hult PY - 1993 DO - 10.1016/0883-2927(93)90012-6 UR - https://pubs.usgs.gov/publication/70017496 ID - 70017496 ER -