TY - ART AU - Dunbar,Carl O. TI - Historical geology AV - QE501 .D86 1949 PY - 1949/// CY - New York PB - John Wiley and Sons, inc. KW - geology N1 - includes index; Contains slides chiefly from Chapters 6-14; Contains slides chiefly from Chapters 3-6 N2 - A set of color slides illustrating the historic aspects of the development of the earth's surface through the ages. Slides in LOT 8945 show fossils, views of Grand Canyon, reef near Saratoga, N.Y., marble quarry at West Rutland, Vt., gorge below Niagara Falls, coal bed east of Pittsburgh, Pa., and other views. The American mastodon and other extinct animals. Slides in LOT 3553 show the Cambrian period, Permian period, early mamalian history, etc UR - http://lcweb2.loc.gov/pp/cphquery.html ER -