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1858 Plate XXIV: Principal Triangulation Survey Book Principal Triangulation. Plate XXIV. (to … |
1858 Plate XXV: Principal Triangulation Survey Book Principal Triangulation. Plate XXV. (to … |
1858 Plate XXVI: Principal Triangulation Survey Book Principal Triangulation. Plate XXVI. (to … |
1858 Diagram showing the principal triangulat … Survey Book Diagram showing the principal triangulat … |
1857 Co. Wicklow : Ornament engraved. Fifeshi … Survey Book Co. Wicklow : Ornament engraved. Sheet 4 … |
1857 Yorkshire : Specimen with hills engraved Survey Book Yorkshire : Specimen with hills engraved … |
1857 Edinburghshire : Specimen in outline. Co … Survey Book Edinburghshire : Specimen in outline. Sh … |
1857 Lewis (Ross Shire) : Specimen in outline Survey Book Lewis (Ross Shire) : Specimen in outline … |
1857 Wigtonshire : Specimen with hills engrav … Survey Book Wigtonshire : Specimen with hills engrav … |
1857 Co. Donegal : Specimen with hills engrav … Survey Book Co. Donegal : Specimen with hills engrav … |