6 Oct
2020
6 Oct
'20
11:27 p.m.
The Geologic Story of the Great Plains, by Donald E. Trimble 63396 [Link: http://www.gutenberg.org/6/3/3/9/63396 ] [Files: ; 63396-0.txt; 63396-h.htm] Thanks to Stephen Hutcheson and the Online Distributed Proofreading Team at https://www.pgdp.net Regards, Al