TY - RPRT TI - Chemical and physical characteristics of Delaware River water from Trenton, N. J., to Marcus Hook, Pa., 1949-52 AU - C.N. Durfor AU - Walter B. Keighton PY - 1954 DO - 10.1126/science.119.3096.613 UR - https://pubs.usgs.gov/publication/70010706 ID - 70010706 ER -