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      Scientific American May 06, 1916

      Blasting a Canal Through a River Bottom

      Cutting Through the Rock Bed of the St. Claire Rapids

      • By O. R. Geyer on May 6, 1916

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      More in the May 06, 1916 issue of Scientific American
      • War Game—VIII
      • An Ice Mine that Freezes in Summer and Melts in Winter, The Frog as an Entertainer in Motion Pictures, and more
      • How May the Permanent Success of Our Dye Industries be Secured?
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