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      Scientific American February 1927

      Science Plans a Mass Attack on the Moon's Mysteries

      Are the Moon's Craters Volcanic or Are They Meteoric "Shell-holes"?

      • By Henry Norris Russell on February 1, 1927

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      More in the February 1927 issue of Scientific American
      • The Month in Medical Science, February 1927
      • Where Was the Birthplace of Mankind?
      • From the Scrap-book of Science--Camera Shots of Scientific Happenings
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