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General Information

  • Title: The magnetic field in the United States, 1985: declination chart
  • Author(s): Peddie, N.W., and Zunde, A.K.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Geophysical Investigations Map GP-986-D
  • Publication Date: 1988
  • Map Scale: 1:5,000,000
  • Cross Section: None
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