Steady progression in granite quarrying | Stone World
Steady progression in granite quarrying. June 4, 2003. The E.L. Smith Quarry was purchased by Rock of Ages Corp. in the 1940s. Today, the quarry is over 500 feet in depth and is believed to be the world's largest dimension "deep-hole" granite quarry. The quarry, which yields mostly light and medium shades of Barre Gray granite, …
قرأ أكثر