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Alaska's Minerals as a Basis for Industry
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Zinc and Lead Deposits of the Upper Mississippi Valley
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Zinc and Lead Deposits of Northwestern Illinois
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The Location and Function of Mobile-home Parks
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Geology of Dubuque County
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Trees in the City
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Geology of Carroll County
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Papers of Samuel Calvin
Correspondents include Alexander Agassiz, H. Foster Bain, William M. Beardshear, Samuel W. Beyer, R. D. George, James Hall, Charles Rollin Keyes, James H. Lees, A. G. Leonard, W J McGee, T. E. Savage, and Frank A. Wilder.
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Mineral Economics
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