Project Gutenberg 2021-09-16 Public domain in the USA. 130 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 Inside Illinois: Mineral Resources Illinois State Geological Survey. Educational series, 9. Stephen Hutcheson and the Online Distributed Proofreading Team at https://www.pgdp.net "Inside Illinois: Mineral Resources" by Illinois State Geological Survey is a scientific publication that was written in the mid-20th century. The book explores the varied mineral wealth of Illinois, detailing not only the types of minerals present in the state but also the geological processes that led to their formation. It provides an overview of the state's physiography and mineral production, highlighting the significance of resources such as coal, petroleum, and various types of rocks and minerals. The content of the book is structured around the geological formation of Illinois and the diverse mineral resources it harbors. It explains the development of the state's landscape through ice ages and discusses the characteristics of different minerals found below the surface, including sedimentary, igneous, and metamorphic rocks. Data from the mid-1960s shows that Illinois was a prominent mineral producer, emphasizing commodities like crude oil, coal, and stone products. The publication aims to educate readers on the significance of geology to Illinois' economy and environment, and it provides valuable insights into the state's mineral industry, including how these resources are extracted and utilized. (This is an automatically generated summary.) Reading ease score: 62.5 (8th & 9th grade). Neither easy nor difficult to read. en Mines and mineral resources -- Illinois QE Text Category: Science - Earth/Agricultural/Farming 97329 2025-06-26T08:18:26.972908 text/html 68811 2024-10-18T16:11:48 text/html 3899201 2025-06-26T08:18:33.855919 application/epub+zip 3898279 2025-06-26T08:18:30.333921 application/epub+zip 98800 2025-06-26T08:18:28.450895 application/epub+zip 3926821 2025-06-26T08:18:35.897916 application/x-mobipocket-ebook 3905631 2025-06-26T08:18:32.332907 application/x-mobipocket-ebook 134301 2022-09-29T19:58:42.991417 application/x-mobipocket-ebook 62960 2025-06-26T08:18:26.380890 text/plain; charset=us-ascii 43093 2024-10-18T16:11:47 text/plain; charset=us-ascii 16415 2025-06-26T08:18:36.024852 application/rdf+xml 19237 2025-06-26T08:18:28.588901 image/jpeg 3396 2025-06-26T08:18:28.518884 image/jpeg 4099649 2025-06-26T08:18:27.060925 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