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Appel à communication.Conférence accueillie par le Cambrian Mines Trust du 4 au 8 Juillet 2019 à Llanafan, Ceredigion, Mid-WalesSujets :Mine exploration as a research tool - applications in mining history, geology and archaeologyMine exploration, using speleological techniques, takes the researcher into a new and potentially rewarding aspect of mining history and archaeology. It also provides a very different view of the geology and mineralogy to that seen at surface.The lecture programme at NAMHO 2019 seeks to provide an insight into the research potential for mine exploration and those who use their speleological / caving skills to access abandoned mines.Les propositions de communication peuvent être envoyées à à Peter Claughton :  P.F.Claughton@exeter.ac.uk