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1858 Plate XXIV: Principal Triang … Survey Book Principal Triangulation. Pla … |
1858 Plate XXV: Principal Triangu … Survey Book Principal Triangulation. Pla … |
1858 Plate XXVI: Principal Triang … Survey Book Principal Triangulation. Pla … |
1858 Diagram showing the principa … Survey Book Diagram showing the principa … |
1857 Co. Wicklow : Ornament engra … Survey Book Co. Wicklow : Ornament engra … |
1857 Yorkshire : Specimen with hi … Survey Book Yorkshire : Specimen with hi … |
1857 Edinburghshire : Specimen in … Survey Book Edinburghshire : Specimen in … |
1857 Lewis (Ross Shire) : Specime … Survey Book Lewis (Ross Shire) : Specime … |
1857 Wigtonshire : Specimen with … Survey Book Wigtonshire : Specimen with … |
1857 Co. Donegal : Specimen with … Survey Book Co. Donegal : Specimen with … |