The age of mammals in Europe, Asia and North America (1910) (17941969632)
Summary
Title: The age of mammals in Europe, Asia and North America
Identifier: ageofmammalsineu00osbo (find matches)
Year: 1910 (1910s)
Authors: Osborn, Henry Fairfield, 1857-1935
Subjects: Mammals, Fossil; Paleontology
Publisher: New York, The Macmillan Company
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries
Text Appearing Before Image:
OLIGOCENE OF EUROPE, NORTH AFRICA, AND NORTH AMERICA 211
Text Appearing After Image:
By permission of the U.S. Geological Survey. Fig. 99. — Oligocene, Lower Miocene and Pleistocene exposures of South Dakota, Nebraska, and eastern Wyoming. After Darton and Thomson. Oblique lines = Titanotherium Zone, Chadron Formation. Dots = Oreodon and Leptauchenia Zones, Brule Formation. Horizontal lines = Prome- rycochoerus and MerycochaTUs Zones, Arikaree Formation. Vertical lines = Pleistocene. Exten- sive Upper Miocene and Pliocene exposures omitted.