Project Gutenberg 2014-09-26 Public domain in the USA. 182 Thayer, Thomas P. 1907 2004 Thayer, Thomas Prence Thayer, T. P. (Thomas Prence) The Geologic Setting of the John Day Country: Grant County, Oregon Produced by Stephen Hutcheson, Dave Morgan and the Online Distributed Proofreading Team at http://www.pgdp.net "The Geologic Setting of the John Day Country: Grant County, Oregon" by Thayer is a scientific publication that was likely written in the mid-20th century. The book provides an in-depth exploration of the geology of the John Day region in Oregon, which is recognized for its rich natural history and significant fossil beds. It serves as a comprehensive guide to understanding the geological features, history, and processes that have shaped this unique area. The book is structured around a detailed geologic history and an accompanying road log that facilitates exploration of the John Day region's significant geological points of interest. It begins with the geological formation of the area dating over 250 million years back, including volcanic activity, sediment deposition, and various geological transformations. The narrative highlights key geological features such as the John Day River, volcanic formations, the influence of glacial activity, and the unique fossil beds that have provided insight into the evolution of ancient life. The publication aims to educate readers about the intricate geological processes that have occurred over millions of years, making the John Day Country not only a geological marvel but also a destination for outdoor recreation and scientific curiosity. (This is an automatically generated summary.) Reading ease score: 68.3 (8th & 9th grade). Neither easy nor difficult to read. en Recreation areas -- Oregon -- Grant County Geology -- Oregon -- Grant County F850.5 QE Text Browsing: History - American Browsing: Science - Earth/Agricultural/Farming Browsing: Travel & Geography Category: Science - Earth/Agricultural/Farming Category: Nature/Gardening/Animals 76048 2025-06-19T04:25:51.298338 text/html 48988 2024-10-24T11:04:12 text/html 1516337 2025-06-19T04:25:56.527315 application/epub+zip 1514190 2025-06-19T04:25:53.613314 application/epub+zip 76153 2025-06-19T04:25:52.505329 application/epub+zip 1553459 2025-06-19T04:25:58.457314 application/x-mobipocket-ebook 1539679 2025-06-19T04:25:55.473321 application/x-mobipocket-ebook 105546 2022-09-21T10:47:51.449355 application/x-mobipocket-ebook 51678 2025-06-19T04:25:50.868329 text/plain; charset=us-ascii 31779 2024-10-24T11:04:12 text/plain; charset=us-ascii 16943 2025-06-19T04:25:58.608292 application/rdf+xml 22109 2025-06-19T04:25:52.596322 image/jpeg 3613 2025-06-19T04:25:52.549319 image/jpeg 1429009 2025-06-19T04:25:51.364334 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog