No grid references and armed only with a sketch map went hunting down the #coal shaft markers in #Callendarpark #Falkirk 4 out of 14 so far. This is going to keep me occupied for some time yet. #miningheritage #mininghistory #industrialarchaeolgy pic.twitter.com/u0mDsP4yCY

— landscape legacies of coal (@coal_legacies) May 10, 2021

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