Second geological survey of Pennsylvania
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Article
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1884
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Elsevier Science
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English
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April, 1884.] viz.," late in 1882."\* I stated t that that volume was in the library of the Academy, and in my possession, in 1881 ; that my criticism of it was read in December, 1881, and published in April, 1882; which statements, if the book was not published until late in 1882, as Dr. Frazer ag