1. Tuomey, M. Report on the Geology of South Carolina. 1848. Printed and published for the state by A.S. Johnson, Columbia, SC.
2. Sloan, E. A preliminary report on the clays of South Carolina. 1904; S.C. Geological Survey, Series 4, Bulletin 1: 171.
3. The Upper Cretaceous and Eocene floras of South Carolina and Georgia;E.W. Berry;U.S. Geological Survey Professional Paper,1914
4. Geology of the Coastal Plain of South Carolina;C.W. Cooke;U.S. Geological Survey Bulletin,1936
5. Critical analysis of Cretaceous stratigraphy and paleobotany of Atlantic Coastal Plain;E. Dorf;American Association of Petroleum Geologists Bulletin,1952