Down The Great Unknown
History | 120 | 1-08-2017, 12:54
Author: Edward Dolnick | Isbn: 9780060196196 | File size: 1.7 MB | Year: 2015 | Pages: 384 | Language: English | File format: EPUB, MOBI | Category: History Quote from John Wesley Powell at start of the book: "We are now ready to start on our way down the Great Unknown...We are three quarters of a mile in the depths of the earth ...We have an unknown distance yet to run; an unknown river yet to explore. What falls there...
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