Argyll is well known for its magnificent scenery, breathtaking coastline and picturesque villages. But hidden among its beautiful hills and glensand on its islands is evidence of an extraordinary industrial past. Minerals have been mined in Argyll for millennia, and from the 1700s lead, copper, zinc, silver, nickel and gold were sought by landowners as a way to exploit their estates, as well as by entrepreneurs and prospectorswanting to make a quick...