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Contributions, Winter 1973, 12.1

In this issue:

  • Early Miocene mammals from Northeast Nebraska
  • Inversion of aragonite to calcite in Corbicula (Leptesthes) fracta from Upper Cretaceous strata of Wyoming
  • The significance of small bones in paleoecological interpretation
  • Geothermal measurements by the University of Wyoming
  • Qualitative X-ray diffraction and X-ray fluorescence analysis of some Oligocene coprolites
  • Age and stratigraphic relations of the Fowkes Formation, Eocene, of southwestern Wyoming and northeastern Utah
  • Fossil mammals from the upper part of the Cathedral Bluffs Tongue of the Wasatch Formation (early Bridgerian), northern Green River basin, Wyoming