Montpelier, it was said, had one of the best slate quarries in the United States. This statement from The Washington County Gazetteer (1889) may have spilled from the pen of a local booster or, ...

A slate quarry in south east Cornwall is to expand after it was granted a 30-year extension by Cornwall Council. Lantoom quarry, just outside Liskeard, aims to increase in size by about 30%. Lantoom ...