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 / by Henry W. Roehler. [electronic resource]
Imprint
Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988.