You are looking on one 6 1/4" by 9 1/4" 567 Page hardcover copy of "HISTORICAL GEOLOGY" byCarl O.Dunbar Professor of Paleontology and Stratigraphy in Yale University, printed in 1949.This item is in good condition with some scuffing and rubbing of the spine and covers. All pages are clean and tight.Chapters include: Prologue, records in stone, the scale of time, fossils, a living record of the dead, the constant change of living things. Before the Cambrian, origin of the earth, the Cryptozoic Eon: Pre-Cambrian history of the earth, and much, much more. This is a heavy book. Thanks for Looking.BLUE STORE O***Powered by eCRATER