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1880’s Ordnance Survey Plans Both the Record Office and the Library Service hold large-scale ordnance survey maps covering the Rhondda Cynon Taf area. Editions of these maps have been produced from the 1870s at a scale of 6” and 25” to the mile. Useful for pinpointing the former site of collieries or buildings and charting the growth of a community over a period of time. To find more information about the Ordnance Survey Plans held at Aberdare, Pontypridd and Treorchy libraries plus their locations and opening hours, visit the library website at: |
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