[posted] Posted (#66317, Anonymous) !

Inside Illinois: Mineral Resources, by Anonymous 66317 [Subtitle: Educational Series 9] [Link: https://www.gutenberg.org/6/6/3/1/66317 ] [Files: 66317-0.txt; 66317-h.htm] Thanks to Stephen Hutcheson and the Online Distributed Proofreading Team at https://www.pgdp.net Regards, Al