Quarry and gravel extraction resource management issues and effectsQuarrying involves the excavation of rock, gravel or sand from the ground . appropriate objectives, policies and methods in District and Regional Plans.how is stone quarrying a regional problem,What Happens to Old Quarries? | QUEST | KQED ScienceAug 11, 2011 . I won't be addressing the problems of mines (like mercury mines), whether . Our old quarries produced line, crushed stone, and sand and gravel. . quarry sits south of Concord in the Lime Ridge Regional Preserve.
how is stone quarrying a regional problem