Illustrations of the Huttonian Theory of the Earth, by John Playfair 67331 [author: John Playfair] [Link: https://www.gutenberg.org/6/7/3/3/67331] [Files: 67331-0.txt; 67331-h.htm] Thanks to Tom Cosmas produced from materials made available at The Internet Archive and placed in the Public Domain. Regards, Al