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      Knowledge is Power

      Scientific American December 30, 1893

      Red Shales as Connected with the Genesis of Bitumen in California

      • By A. S. Cooper on December 30, 1893

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      More in the December 30, 1893 issue of Scientific American
      • Phosphorescence and “Luminous Paints”
      • The Moon's Face—A Study of the Origin of its Features
      • The Scientific American Supplement. Index for Vol.36
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