Petrology of Hanna and Ferris Formation Coals from the Hanna Coal Field, Wyoming (1985)

Teerman, S.C., Crelling, J.C., and Glass, G.B., 1985, Petrology of Hanna and Ferris formation coals from the Hanna coal field, Wyoming: Geological Survey of Wyoming [Wyoming State Geological Survey] Report of Investigations 32, 23 p., 4 pls.