Bulletin

abundant Acad American Museum animals areas beds Big Badlands Black Hills bones Bull Bulletin camel Carnegie Mus cene changes characters clays complete considerable continuous creek Cynodictis deposits described earliest Eocene Extinct feet Figure foot formation forms fossil Geological head Hist horse important inches Indian indicate interest Jour known land later Leidy less living Lower Lower Miocene Mammals Marsh material Matthew Mines Miocene Museum of Natural Natural History nearly Nebraska North America Oligocene Oreodon origin Osborn particularly Pass Peterson Phila Photograph by O'Harra places Plate Pleistocene Pliocene portion present Proc region remains represented Restoration rhinoceroses sandstones School of Mines Scott Sheep Mountain showing Skeleton skull sometimes South Dakota School species specimens Surv teeth Tertiary Titanothere Titanotherium toes true Upper Wall Western White River badlands