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Contributions, Winter 1977, 15.1

In this issue:

  • Geologic implications of trans-basin water diversion in southwestern Wyoming
  • K-Ar ages of biotites from tuffs in Eocene rocks of the Green River, Washakie, and Uinta basins, Utah, Wyoming, and Colorado
  • Summary of known occurrences of terrestrial vertebrates from Eocene strata of southern California
  • Radiocarbon dates from carbonates of soils on Bull Lake and Pinedale tills of the Libby Creek area, Medicine Bow Range, Wyoming