Originally published: Gwynedd Archives Service, 1975.

Using a wonderful collection of images and drawing on his background in the area, John Idris Jones explores the fascinating history of these industries.

This beautifully photographed selection of fifty of the region's most precious assets shows what makes North Wales such a popular destination.

Slates from quarries in Wales once went to roof the world. By the late nineteenth century as many as a third of all the roofing slates produced worldwide came f