


Environmental Hazards of Limestone Mining - Underground Limestone Mine
Iowa Limestone Producers Association. 4438 114th St. Urbandale, IA 50322; 515-262-8668; Fax: 515-262-0299Limestone (calcium carbonate CaCO 3) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, …
