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Front Matter

Articles

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Administrative Reports p. 17-34
Samuel Calvin, Charles R. Keyes, H. Foster Bain, and G. E. Patrick

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Geology of Allamakee County p. 35-120
Samuel Calvin

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Geology of Linn County p. 121-196
William Harmon Norton

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Geology of Van Buren County p. 197-254
C. H. Gordon

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Geology of Keokuk County p. 255-312
H. Foster Bain

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Geology of Mahaska County p. 313-380
H. Foster Bain

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Geology of Montgomery County p. 381-452
Elston Holmes Lonsdale

Back Matter