Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,135 pages of information and 233,396 images on early companies, their products and the people who designed and built them.
Clearwell Caves - The Royal Forest of Dean's Iron Mining Museum, Clearwell, Nr. Coleford, Royal Forest of Dean, Gloucestershire. GL16 8JR
A system of caves which were worked for iron ore and ochre.
Wear stout shoes and warm clothing (constant 10 deg C underground!).