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Contributions, Spring 1977, 15.2

In this issue:

  • The scope of coal geology
  • Wyoming coal and coal mining
  • The distribution of As, Be, Cd, Cu, Hg, Mo, Pb, and U associated with the Wyodak coal seam, Powder River basin, Wyoming
  • Development of Precambrian gneiss fabric in the southern Bighorn Mountains, Wyoming
  • Taphonomy of the dinosaur quarry, Dinosaur National Monument