TY - BOOK ID - 138256194 TI - Sporomorph biostratigraphy, floral changes, and paleoclimatology, Eocene and earliest Oligocene of the eastern Gulf Coast AU - Frederiksen, Norman O. AU - Geological Survey (U.S.) PY - 1988 PB - Washington : Department of the Interior, U.S. Geological Survey, DB - UniCat KW - Plant spores, Fossil. KW - Paleobotany KW - Palynology KW - From 25 to 55 million years ago KW - United States UR - https://www.unicat.be/uniCat?func=search&query=sysid:138256194 AB - ER -