OR/13/015 Summary: Revision history

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26 July 2021

14 February 2019

  • curprev 10:5610:56, 14 February 2019Geosource>Ajhil 6,711 bytes +6,711 Created page with "__NOTOC__ {{OR/13/015}} The British Geological Survey (BGS) has conducted a survey of the building stones and roofing slates in 172 buildings that lie within, and face onto, t..."