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1866 No.VII. Map and profile of t … Survey Book No.VII. Map and profile of t … |
1866 No.XI. General sketch of the … Survey Book No.XI. General sketch of the … |
1866 No.XII. Interoceanic ship ca … Survey Book No.XII. Interoceanic ship ca … |
1866 No.XIII. Isthmus of Darien f … Survey Book No.XIII. Isthmus of Darien f … |