Project Gutenberg 2020-08-07 Public domain in the USA. 54 Mantell, Gideon Algernon 1790 1852 09003264 Thoughts on a Pebble, or, A First Lesson in Geology Produced by Tom Cosmas from materials made freely available on The Internet Archive. All derived products are placed in the Public Domain. en Geology -- Juvenile literature QE Text Browsing: Children & Young Adult Reading Browsing: Science - Earth/Agricultural/Farming 193244 193256 2024-08-26T05:04:38.944221 2023-09-27T05:13:42.593455 text/html text/html 188532 2020-08-07T09:47:18 text/html; charset=iso-8859-1 1878226 2020-08-07T09:47:26 text/html; charset=iso-8859-1 application/zip 1509716 2024-08-26T05:04:47.446694 application/epub+zip 1510831 2024-08-26T05:04:41.302241 application/epub+zip 119600 2024-08-26T05:04:39.552215 application/epub+zip 1730381 2024-08-26T05:04:51.100661 application/x-mobipocket-ebook 1694262 2024-08-26T05:04:45.395193 application/x-mobipocket-ebook 153827 2022-09-28T10:41:16.748019 application/x-mobipocket-ebook 132535 132533 2024-08-26T05:04:38.110233 2023-09-27T05:13:41.812481 text/plain; charset=us-ascii text/plain 132598 2020-08-07T09:47:18 text/plain; charset=iso-8859-1 49208 2020-08-07T09:47:26 text/plain; charset=iso-8859-1 application/zip 18139 2024-08-26T05:04:51.257650 application/rdf+xml 15496 2024-08-26T05:04:39.655226 image/jpeg 2008 2024-08-26T05:04:39.603212 image/jpeg 1879053 2024-08-26T05:04:39.046245 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://www.gutenberg.org/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia