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Contributions, Fall 1980, 19.1

In this issue:

  • Paleomagnetism of the Precambrian Lake Owens Complex, Medicine Bow Mountains, Wyoming
  • Depositional environment of the Green River Formation in the vicinity of the Douglas Creek Arch, Colorado and Utah
  • Stratigraphy and vertebrate paleontology of the Horse Creek-Trail Creek area, Laramie County, Wyoming
  • The late Pleistocene mammalian fauna from the Colby Mammoth Kill site, Wyoming