Dines Metalliferous Mineral File.

Detailed mining information for mining in Devon and Cornwall gathered by George Dines (former BGS Geologist) for a period around 1921. Maps, plans and accompanying notes and documents provide detailed information on the metal mining ( mainly tin,copper,lead) at that time. A synthesis of this information was published in "The metalliferous mining region of south-west England" 3rd impression 1988.