The Geologic Story of Palo Duro Canyon, by William A. Matthews 52179 [Subtitle: Guidebook 8] [Link: http://www.gutenberg.org/5/2/1/7/52179 ] [Files: 52179-8.txt; 52179-0.txt; 52179-h.htm] Thanks to Stephen Hutcheson, Dave Morgan and the Online Distributed Proofreading Team at http://www.pgdp.net Regards, Al