A brief history of the Welsh slate quarries
At its peak in the 19th century, Dinorwig was the second-largest slate quarry in the world. In the mornings, thousands of men in flat caps hiked up the zig-zag path to the quarry huts which perch high on Elidir's mountainside, their clogs clacking on slate waste. The slate industry in North Wales started small and grew with the culture …
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