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Contributions, Spring 1983, 22.1

In this issue:

  • Laramide compressional tectonics, southeastern Wyoming
  • An Irvingtonian fauna from the oldest Quaternary alluvium in eastern Pumpkin Creek valley, Morrill and Banner counties, Nebraska
  • Sedimentology and petrology of freshwater lacustrine carbonate; mid-Tertiary Camp Davis Formation, northwestern Wyoming
  • A new species of Centetodon (Mammalia, Insectivora, Geolabididae) from southwestern Montana and its biogeographical implications