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Hemerdon: Britain's largest tungsten deposit (1979)

Castle-an-Dinas 1916-1957: Cornwall's premier wolfram mine : with brief comparative histories of other wolfram mines ... (2001)

Tony Brooks

Amax Hemerdon venture evaluating major tungsten-tin property (1980)

David N. Skillings

The Hemerdon project: a joint venture between Amax Exploration of UK Inc and Hemerdon Mining & Smelting Ltd (1980)

Report on the Hemerdon project (1981)