Jon Hill stands at one of his company’s original quarries, which Greenstone has never used. Hill said the hole was probably dug around 1870 and that 500 men at a time worked in the pit removing slate.

An oral history and photography project involving high school students in Granville, New York is telling the stories of the regional quarry industry. As WAMC’s Southern Adirondack Bureau Chief Lucas ...

AMONGST the manufacturing industries which, during the last hundred years, have expanded into large proportions is the production of roofing slate. Nor is it difficult to account for this expansion.