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1861 Profile of the Route from th … Exploration Book Profile of the Route from th … |
1861 Letter to the Officer in Cha … Exploration Book Letter to the Officer in Cha … |
1861 Letter to the Officer in Cha … Exploration Book Letter to the Officer in Cha … |
1861 Appendix D. Remarks upon the … Exploration Book Appendix D. Remarks upon the … |
1877 LXX (explanation) Exploration Book Plate LXX (explanation). (18 … |