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OS200
A Digital Archive of Ireland's Ordnance Survey
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County
County Derry
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Creator
Henderson, John L.
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Dates
1831 - 1849
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1.
Ordnance Survey 1st Edition 6-inch Map Sheet Information. County Derry/Londonderry Sheet 19.
2.
Ordnance Survey 1st Edition 6-inch Map Sheet Information. County Derry/Londonderry Sheet 17.
