11 Jun
2019
11 Jun
'19
11:25 p.m.
The Common Rocks and Minerals of Missouri, by Walter David Keller 59737 [Link: http://www.gutenberg.org/5/9/7/3/59737 ] [Files: 59737-0.txt; 59737-h.htm] Thanks to Stephen Hutcheson and the Online Distributed Proofreading Team at http://www.pgdp.net David
1979
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1979
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David Widger