crushed stone production process

Economic Impact Of Effluent Guidelines Mineral Mining And

epa e30/l 74 059a july 1976 economic analysis of interim final and proposed effluent guidelines mineral mining and processing industry sand and gravel crushed stone industrial sand phosphate rock quantity environmental protection agency office of planning and evaluation washington 20460 o

Stone on IndustryNet

Crushed stone stone that has been reduced in size and screened to ensure uniformity of size It is made up of granite gneiss trap rock limestone or ant combination