1. 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
2. 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