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Home > Iowa Geological Survey > IGSAR > Vol. 28 (1918) > Iss. 1

 

Front Matter

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Front Matter, Iowa Geological Survey Annual Report, vol. 28 issue 1

Articles

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Letter of Transmittal p. 1-2
George F. Kay

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Mineral Production in Iowa for 1917 and 1918 p. 3-46
James H. Lees

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Gypsum: Its Occurrence, Origin, Technology and Uses (pp.47-245) p. 47-245
Frank A. Wilder

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Gypsum: Its Occurrence, Origin, Technology and Uses (pp.246-472) p. 246-472
Frank A. Wilder

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Gypsum: Its Occurrence, Origin, Technology and Uses (pp.473-538) p. 473-538
Frank A. Wilder

Back Matter

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Index, Iowa Geological Survey Annual Report, vol. 28 issue 1 p. 539-559