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BL1821. Fossil Ice Crystals: An Instance of the Practical Value of "Pure Science," by J. A. Udden. 8 p., 10 plates, 1918.
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Keywords: applied science, fossils, South Dakota
Udden, J. A., 1918, Fossil Ice Crystals: An Instance of the Practical Value of "Pure Science": University of Texas at Austin, Bureau of Economic Geology and Technology, Bulletin 1821, 8 p.