Laramie, WY: 1980.
First Edition. Soft cover. Very Good. 4to - over 9 3/4 - 12" tall. 188 pp, illustrated with maps and tables, large folding map in a rear pocket. Papers on the following: Regional depositional framework of the Unranium and Coal-bearing Wasatch and Fort Union formations; Lake de Smet Coal Seam; Fluvial coal settings of the Tongue River member of the Fort Union formation; chemical and petrographic characteristics of Powder River Basin coals; Rawhide Coal Mine, Campbell County, WY.