Podobné jednotky

• Uranium in Sharon Springs Member of Pierre Shale South Dakota and Northeastern Nebraska : contributions to the geology of uranium /
  Autor: Kepferle, Roy Clark, 1926-
  Vydáno: (1959)
• Mineralogy and stratigraphy of the lower part of the Pierre Shale, South Dakota and Nebraska /
  Autor: Schultz, Leonard Gene, 1926-
  Vydáno: (1965)
• Mixed-layer clay in the Pierre Shale and equivalent rocks, northern Great Plains region : x-ray diffraction techniques for interpretation of mixed-layer illite-smectite clay, chemical composition of the clay, and developmental history of the clay /
  Autor: Schultz, Leonard Gene, 1926-
  Vydáno: (1978)
• Composition and properties of the Pierre Shale and equivalent rocks, northern Great Plains region : mineralogical and chemical study, including trace elements, of marine and nonmarine rocks of late Cretaceous age /
  Autor: Schultz, Leonard Gene, 1926-, a další
  Vydáno: (1980)
• The Pierre Shale near Kremmling, Colorado, and its correlation to the east and the west /
  Autor: Izett, Glen Arthur, 1928-, a další
  Vydáno: (1971)