Project Gutenberg 2021-09-15 Public domain in the USA. 569 Illinois State Geological Survey Illinois. Board of Natural Resources and Conservation. State Geological Survey Illinois. Department of Energy and Natural Resources. State Geological Survey Illinois. Department of Registration and Education. Division of the State Geological Survey Illinois Institute of Natural Resources. State Geological Survey Division ISGS University of Illinois (Urbana-Champaign campus). State Geological Survey Guide to Rocks and Minerals of Illinois Illinois State Geological Survey. Educational series, 5. Stephen Hutcheson and the Online Distributed Proofreading Team at https://www.pgdp.net "Guide to Rocks and Minerals of Illinois" by Illinois State Geological Survey is a scientific publication written in the late 1950s. This book serves as an educational resource that explores the geology of Illinois, specifically its diverse collection of rocks and minerals. It aims to inform readers about the state's geological background while guiding students and amateur geologists in their efforts to understand and collect these natural resources. The guide provides a detailed overview of various rock and mineral types found in Illinois, such as granite, conglomerate, sandstone, and limestone, along with descriptions of their properties and uses. Through illustrations and geological maps, readers are introduced to the complexity of Illinois' geology, including the impact of glaciation on the region. The book also features identification keys and advice on collecting specimens, making it a practical tool for both educators and enthusiasts interested in the earth sciences. (This is an automatically generated summary.) Reading ease score: 58.5 (10th to 12th grade). Somewhat difficult to read. en Petrology -- Illinois Mineralogy -- Illinois QE Text Category: Science - Earth/Agricultural/Farming Category: How To ... 135921 2025-09-26T08:21:48.514087 text/html 108705 2024-10-18T16:11:19 text/html 1922195 2025-09-26T08:21:55.209057 application/epub+zip 1923777 2025-09-26T08:21:51.609015 application/epub+zip 100016 2025-09-26T08:21:50.094032 application/epub+zip 1971684 2025-09-26T08:21:57.739021 application/x-mobipocket-ebook 1926593 2025-09-26T08:21:53.924014 application/x-mobipocket-ebook 137997 2022-09-29T19:56:10.926659 application/x-mobipocket-ebook 106110 2025-09-26T08:21:47.880069 text/plain; charset=us-ascii 86223 2024-10-18T16:11:19 text/plain; charset=us-ascii 16407 2025-09-26T08:21:58.323053 application/rdf+xml 15960 2025-09-26T08:21:50.245047 image/jpeg 2783 2025-09-26T08:21:50.170032 image/jpeg 1824267 2025-09-26T08:21:48.570038 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