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Contributions, Spring 1987, 25.1

In this issue:

  • Northern Medicine Bow Mountains, Wyoming; revision of structural geology, northeast flank
  • Planktic foraminifera from the type area of the Fort Hays Limestone
  • A new Clarendonian (late Miocene) fauna from eastern Nevada
  • The bivalve, Musculiopsis MacNeil, in Lower Cretaceous non-marine strata, Rocky Mountains
  • Storm-influenced shelf deposition of the lower sandstone member, Lower Cretaceous Thermopolis Shale, southwestern Montana
  • The Hottell Ranch rhino quarries (basal Ogallala; medial Barstovian), Banner County, Nebraska; Part I; Geologic setting, faunal lists, lower vertebrates