TY - RPRT TI - Rocks of eocene age on fippennies ledge, Gulf of Maine AU - J. Schlee AU - A.H. Cheetham PY - 1967 DO - 10.1130/0016-7606(1967)78[681:roeaof]2.0.co;2 UR - https://pubs.usgs.gov/publication/70221361 ID - 70221361 ER -