Download or read book Jurassic Bathonian Or Early Callovian Ammonites from Alaska and Montana written by Ralph Willard Imlay and published by . This book was released on 1962 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Descriptions and illustrations of cephalopods of possible late Middle Jurassic (Bathonian) age.

Download or read book U S Geological Survey Professional Paper written by and published by . This book was released on 1973 with total page 918 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey Professional Paper written by and published by . This book was released on 1981 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey Professional Paper written by Geological Survey (U.S.) and published by . This book was released on 1960 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book List of U S Geological Survey Geologic and Water supply Reports and Maps for Alaska written by Geological Survey (U.S.) and published by . This book was released on 1987 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey Bulletin written by and published by . This book was released on 1980 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Surficial Deposits of the Iliamna Quadrangle Alaska written by Robert L. Detterman and published by . This book was released on 1974 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey Circular written by Geological Survey (U.S.) and published by . This book was released on 1933 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book U S Geological Survey Circular written by and published by . This book was released on 1933 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Conterminous United States Mineral Appraisal Program written by and published by . This book was released on 1981 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Biota and Biological Parameters as Environmental Indicators written by Phillip E. Greeson and published by . This book was released on 1981 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Zonation and Correlation of Middle Boreal Bathonian to Lower Callovian Jurassic Ammonites Salmon Cache Canyon Porcupine River Northern Yukon written by T. P. Poulton and published by . This book was released on 1987 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This study describes the ammonites from a single, richly fossiliferous, and well exposed locality in northern Yukon where a succession of seven faunas is present. A new zonation for northwestern Canada is proposed based on this succession. The ammonites are mainly Boreal, and correlations of each zone with the published successions across the Arctic are discussed." --

Download or read book Lake Clark National Park N P Proposed written by and published by . This book was released on 1975 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Jurassic Paleobiogeography of the Conterminous United States in Its Continental Setting written by Ralph Willard Imlay and published by . This book was released on 1980 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Paleogeographic changes in the United States during Jurassic time are revealed by the distribution, succession, and differentiation of molluscan faunas; by gross stratigraphic changes; by the position, extent, and duration of unconformities; and by comparisons with Jurassic data elsewhere in North America.

Download or read book U S Government Research Reports written by and published by . This book was released on 1962 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Twin Creek Limestone Jurassic in the Western Interior of the United States written by Ralph Willard Imlay and published by . This book was released on 1967 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: A description of the stratigraphic and faunal succession in the Twin Creek Limestone and regional comparisons with contemporary formations.

Download or read book Publications of the Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1948 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: