1985. Llanberis Slate At its peak during the second half of the 19th century, the slate mining industry dominated the economy in North Wales, employing almost 17000 men at quarries dotted around the ...

Slate workers at the Dorothea Quarry in the Nantlle Valley At its peak, slate accounted for half of north Wales' income - and it even rivalled the scale of coal mining in the south. Though as soon ...

The journey — about 1,400 feet underground to the world's deepest hotel in the north Wales region of Snowdonia ... For more than 200 years, miners extracted slate from Mount Snowdon, much ...

At its peak during the second half of the 19th century, the slate mining industry dominated the economy in North Wales, employing almost 17000 men at quarries dotted around the country including the ...