Geek Trivia: Map Makers Include What Device To Identify Their Maps In Lawsuits?

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  • March 5, 2019

Map Makers Include What Device To Identify Their Maps In Lawsuits?

  1. Ultraviolet Ink
  2. Micro Text in the Compass Rose
  3. Paper Towns
  4. Watermarks

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Source : Geek Trivia: Map Makers Include What Device To Identify Their Maps In Lawsuits?