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Showing 1 to 2 of 2 for “"Fossil--North Dakota"”.

  1. Foraminifera from outcrops of the Pierre Shale (Upper Cretaceous) of North Dakota

    Wilson, Everett E.

    <p>In North Dakota the Pierre shale was deposited in all portions of the State except the southeastern corner, where it was either never deposited or removed by pre-Pleistocene erosion. In the western part of North Dakota the Pierre is overlain by later Cretaceous and Tertiary sediments, but to the …

    nodak Repository record

  2. Fort Union (Paleocene) mollusks from southern Golden Valley and southeastern Billings counties, North Dakota

    Delimata, John J.

    … Valley, and Slope Counties in southwestern North Dakota. Tongue River sediments contain all nine of the species which include: two unionids, Plesielliptio priscus (Meek and Hayden) and Rhabdotophorus senec tus (White); one corbulid, Bicorbula mactriformis (Meek and Hayden); and six …

    nodak Repository record