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Title: Remarks on the age of the Goniatite limestone at Rockford, Indiana, and its relation to the "black shale" of the Western States, and to some of the succeeding rocks above the latter
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Author(s): Meek, F.B., and Worthen, A.H.
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Publishing Organization: American Journal of Science
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Series and Number: American Journal of Science and Arts, 2nd Series v. 32, no. 95 [p. 167-177]
- Publication Date: 1861
- Cross Section: None
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