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OAIMA - Ohio Aggregates & Industrial Minerals Association


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The Ohio Aggregates & Industrial Minerals Association is the trade association in Ohio that represents all of the state's mining operations, except coal. These commodities include mostly construction materials, both natural and man-made, such as aggregates (which are sand, gravel, slag, and crushed limestone, dolomite, and sandstone), salt, clay, shale, gypsum, industrial sand, building stone, lime, cement, and recycled concrete.

http://www.oaima.org/aws/OAIMA/pt/sp/home_page