Tags

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Variants

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  1. “Paul Bunyan versus the Conveyor Belt” by William Hazlett Upson, in The Mathematical Magpie, edited by Clifton Fadiman (Simon and Schuster, 1962).
  2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by William Hazlett Upson