1. Occurances [sic] of calcareous nannofossil, dinoflagellate cyst, and pollen taxa in Paleocene strate in South Carolina Publication/Creation: Reston, Va. : U.S. Geological Survey, 2006 Resource Type: Book Access & Availability: Loading
2. Origin of thick Lower Tertiary coal beds in the Powder River Basin, Wyoming and Montana--some paleogeographic constraints Author/Creator: Seeland, David A. Publication/Creation: Denver, CO : Dept. of the Interior, U.S. Geological Survey ; Washington : U.S. G.P.O., 1993 Resource Type: Book Access & Availability: Loading