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1877 LXX (explanation) Exploration Book Plate LXX (explanation). (1877) |
1873 Legend. West Of the One-Hundredth Meridi … National Atlas Legend. West Of the One-Hundredth Meridi … |
1873 Conventional Signs. West Of The One-Hund … National Atlas Conventional Signs. West Of The One-Hund … |
1873 Conventional Signs For Triangulation Out … National Atlas Conventional Signs For Triangulation Out … |