Spring 1977
The scope of coal geology
W. Riegel
Wyoming coal and coal mining
G. B. Glass
The distribution of As, Be, Cd, Cu, Hg, Mo, Pb, and U associated with the Wyodak coal seam, Powder River basin, Wyoming
J. I. Drever; J. W. Murphy; R. C. Surdam
Development of Precambrian gneiss fabric in the southern Bighorn Mountains, Wyoming
R. A. Wells
Taphonomy of the dinosaur quarry, Dinosaur National Monument
R. Lawton
Price
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