On some unsolved problems in geology address of J. W. Dawson, LL.D., president of the American Association for the Advancement of Science, delivered at the Minneapolis meeting, August, 1883. This book, "On some unsolved problems in geology", by John William Dawson, is a replication of a book originally published before 1883. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.
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