1. Paleogeography of the Late Cretaceous of the western interior of middle North America : coal distribution and sediment accumulation Author/Creator: Roberts, Laura N. Robinson, author Publication/Creation: Washington : U.S. Department of the Interior, U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
2. Paleogeography of the Late Cretaceous of the western interior of middle North America : coal distribution and sediment accumulation Author/Creator: Roberts, Laura N. Robinson Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : U.S. Geological Survey, Information Services, 1995 Resource Type: Book Access & Availability: Loading
3. Palynological evaluation of Cedar Mountain and Burro Canyon formations, Colorado Plateau Author/Creator: Tschudy, Robert H. Publication/Creation: Washington, D.C. : U.S. G.P.O., 1984 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1278-1285. Access & Availability: Loading
4. The Pintail coal bed and Barrier Bar G-- : a model for coal of barrier bar-lagoon origin, Upper Cretaceous Almond Formation, Rock Springs Coal Field, Wyoming Author/Creator: Roehler, Henry W., author Publication/Creation: Washington : United States Government Printing Office, 1988 Resource Type: Book Access & Availability: Loading
5. The Pintail coal bed and Barrier Bar G-- : a model for coal of barrier bar-lagoon origin, Upper Cretaceous Almond Formation, Rock Springs Coal Field, Wyoming Author/Creator: Roehler, Henry W. Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading