Project Gutenberg 2023-07-01 Public domain in the USA. 53 Spurr, Josiah Edward 1870 1950 Spurr, J. E. (Josiah Edward) 20020017 Political and commercial geology and the world's mineral resources 1st edition, 2nd impression $aUnited States :$bMcGraw-Hill Book Company, Inc., $c1920. Charlene Taylor, Harry Lamé and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) https://archive.org/details/politicalcommerc00spur/page/n7/mode/2up 20210407104108spurr 1920 US en Mines and mineral resources Geology, Economic TN Text Browsing: Economics Browsing: Engineering & Construction Browsing: Science - Earth/Agricultural/Farming 2102982 2104449 2024-08-29T08:44:34.527931 2023-09-30T09:53:40.149013 text/html text/html 2082749 2023-07-01T13:12:45 text/html 7400039 2024-08-29T08:45:20.396686 application/epub+zip 7408293 2024-08-29T08:44:44.522839 application/epub+zip 744205 2024-08-29T08:44:39.185938 application/epub+zip 8044349 2024-08-29T08:45:40.310564 application/x-mobipocket-ebook 8023315 2024-08-29T08:45:13.352720 application/x-mobipocket-ebook 1660553 1660583 2024-08-29T08:44:26.543465 2023-09-30T09:53:32.175481 text/plain; charset=us-ascii text/plain 1660324 2023-07-01T13:12:45 text/plain; charset=us-ascii 18372 2024-08-29T08:45:40.568550 application/rdf+xml 12842 2024-08-29T08:44:39.738883 image/jpeg 1894 2024-08-29T08:44:39.463862 image/jpeg 528950 2023-07-01T13:12:46 application/octet-stream application/zip 6593801 2023-07-01T13:12:46 application/octet-stream application/zip 6886665 2024-08-29T08:44:34.768909 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