Download or read book Agate Fossil Beds National Monument N M Statement for Management written by and published by . This book was released on 1976 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Volcanism and Fossil Biotas written by M. G. Lockley and published by Geological Society of America. This book was released on 1990 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Contributions to Geology written by and published by . This book was released on 1991 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proposed Agate Fossil Beds National Monument Nebraska written by and published by . This book was released on 1963 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wildlife of Nebraska written by Paul A. Johnsgard and published by U of Nebraska Press. This book was released on 2020-10 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Wildlife of Nebraska: A Natural History, Paul A. Johnsgard surveys the variety and biology of more than six hundred Nebraska species. Narrative accounts describe the ecology and biology of the state's birds, its mammals, and its reptiles and amphibians, summarizing the abundance, distributions, and habitats of this wildlife. To provide an introduction to the state's major ecosystems, climate, and topography, Johnsgard examines major public-access natural areas, including national monuments, wildlife refuges and grasslands, state parks and wildlife management areas, and nature preserves. Including more than thirty-five line drawings by the author along with physiographic, ecological, and historical maps, Wildlife of Nebraska is an essential guide to the wildlife of the Cornhusker State.
Download or read book Evolution of Tertiary Mammals of North America Volume 1 Terrestrial Carnivores Ungulates and Ungulate Like Mammals written by Christine M. Janis and published by Cambridge University Press. This book was released on 1998-05-28 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is designed as a source and reference for people interested in the history and fossil record of North American tertiary mammals. Each chapter covers a different family or order, and includes information on anatomical features, systematics, the distribution of the genera and species at different fossil localities, and a discussion of their paleobiology. Many of these groups have never been covered in this fashion before.
Download or read book Journal of Vertebrate Paleontology written by and published by . This book was released on 1981 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book National Union Catalog written by and published by . This book was released on 1983 with total page 1032 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Vertebrate Paleontological Techniques Volume 1 written by Patrick Leiggi and published by Cambridge University Press. This book was released on 2005-06-02 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Everything that amateur and professional fossil hunters will ever need to know about modern palaeontological techniques and practice.
Download or read book Tertiary Stratigraphy and the Frick Collection of Fossil Vertebrates from North central Nebraska written by Morris F. Skinner and published by . This book was released on 1984 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Late Tertiary Valentine and Ash Hollow formations of the Ogallala Group in north-central Nebraska contain two previously unnamed fossiliferous ash-bearing members. These, with four published members, provide a startigraphic framework for large collections of fossils in the Frick Collection in AMNH and other institutions. The Cornell Dam Member (new) in the basal Valentine Formation has salient lithic features and geologic relationships not found in other members of the Valentine. Basal channel sand disconformably overlying the Rosebud Formation contains macro- and microinvertebrate fossils (Norden Fauna, new) that also show the ecological and faunal distinction of this member. Fission track dates suggest that Valentine sediments spanned one and perhaps three million years. The Merritt Dam Member (new) of late Clarendonian to late Hemphillian age, disconformably overlies the Cap Rock Member of the referred Ash Hollow Formation. The Merritt Dam Member is less cliff forming than the Cap Rock Member, contains more volcanic ash and local channel and pond sediments. Tectonic readjustment caused deep channel erosion through the Ogallala into Arikaree rocks on the east flank of the Chadron Arch and eastward into the Cap Rock Member and the Valentine Formation. Sediments filling some of these channels contain vertebrate fossils overlain by vitric tuffs with a fission track date of 9.5 [+ or -] 0.8 Ma. The paleogeomorphology of the Ogallala Group and its depositonal framework is the product of overlapping alluvial fans of at least three paleodrainage systems which filled pre-existing valleys and spread sediments over a vast Great Plains area in Nebraska and South Dakota. In north-central Nebraska widespread aggradation and two short periods of degradation occurred during the Valentinian. Gradual aggradation during the early Clarendonian was followed by intermittent aggradation and degradation during the late Clarendonian and Hemphillian. The stratigraphic allocation and history of 98 collecting localities and documentation of 90 holotypes of fossil vertebrates and 13 plants provide a firm base for continued research. The prinipal aquifer in the Ogallala is the Crookston Bridge Member of the Valentine Formation"--P. 217.
Download or read book Research Reports National Geographic Society written by National Geographic Society (U.S.) and published by . This book was released on 1985 with total page 928 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstracts and reviews of research and exploration authorized under grants from the National Geographic Society.
Download or read book Contributions to Economic Geology short Papers and Preliminary Reports 1925 written by Gerald Francis Loughlin and published by . This book was released on 1926 with total page 1032 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Niobrara written by Paul A. Johnsgard and published by U of Nebraska Press. This book was released on 2007-04-01 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although its history is etched on canyon walls reaching back twenty million years, the Niobrara is very much a river of today. Stretching 535 miles from its headwaters to the Missouri River, it is one of Nebraska?s least altered waterways and is designated as a national scenic river. Its waterfalls and wildlife make it a haven for outdoor enthusiasts, but pressures from development still threaten its scenic and ecological wonders. ø This first book-length study of the Niobrara is a comprehensive look at an ecological treasure. Paul A. Johnsgard reviews the river?s history from its geologic past through prehistoric settlement to the present and highlights its historical and biological features. ø Writing from this crossroads of eastern and western species, Johnsgard also describes the Niobrara?s varied plants and animals, providing extensive information on bird populations. He offers portraits of sixteen species of special conservation concern, such as the black-tailed prairie dog and the olive-backed pocket mouse. Drawings by Johnsgard, information tables on various species, plus site lists make the book an invaluable reference. It conveys the Niobrara?s value as a recreational and scientific resource to help visitors better appreciate this riparian paradise while offering specialists an unimpeachable guide to its scientific riches. The Niobrara includes chapters by Jon Farrar and Duane Gudgel.
Download or read book Catalog of the United States Geological Survey Library written by U.S. Geological Survey Library and published by . This book was released on 1972 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography and Index of Geology written by and published by . This book was released on 1984 with total page 1584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wildlife Review written by and published by . This book was released on 1982 with total page 1210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
