The Geologic Setting of the John Day Country, by Thomas Prence Thayer 46969 [Subtitle: Grant County, Oregon] [Link: http://www.gutenberg.org/4/6/9/6/46969 ] [Files: 46969.txt; 46969-8.txt; 46969-0.txt; 46969-h.htm]
Thanks to Stephen Hutcheson, Dave Morgan and the Online Distributed Proofreading Team at http://www.pgdp.net Regards, Al
