Quarrying methods: an international comparison
Aug 01, 2002· Quarrying methods: an international comparison. August 1, 2002. Michael Reis. ... some sections of the quarry also produce a white material. The quarry is relatively new, as it opened during the first half of 1999, and it produces 1,900 cubic meters of material per month. ... Rockville White granite (Quarry #2) Cold Spring, MN