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75921, Isogonic Chart for 1950, United States.  Including Isoporic Lines, General Map Collection

Isogonic Chart for 1950, United States. Including Isoporic Lines

K-6-3077

  • Please choose a purchase option $50.00
  • Map/Doc

    75921

  • Collection

    General Map Collection

  • Object Dates

    1950 (Creation Date)

  • People and Organizations

    U. S. Coast and Geodetic Survey (Publisher)

  • Subjects

    United States

  • Height x Width

    32.2 x 47.2 inches

    81.8 x 119.9 cm