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Contributions, Summer 1970, 9.2

In this issue:

  • Precambrian gneiss at Sheephead Mountain, Carbon County, Wyoming, and its relationship to Laramide structure
  • The stratigraphy and paleontology of Bridger A
  • The Tertiary deposits of the Rocky Mountains; a summary and discussion of unsolved problems
  • Foraminifera in the Medicine Bow Formation, south-central Wyoming
  • Conodonts from the lower Goose Egg Formation (Permian) of southeastern Wyoming