This useful directory lists all the known producers of industrial minerals in the state of Indiana. Commodities listed include cement, clay and shale, crushed stone, dimension limestone, dimension sandstone, gypsum, lime, peat, construction sand and gravel, industrial sand, and slag. Listings are arranged by commodity and county and include the following information, where applicable and available: company name, regional company address, officers, telephone number, fax number, Web site address, e-mail address, mine or plant name, address, officers, telephone number, fax number, e-mail address, locality, quadrangle, congressional land survey location, products, geology, remarks, Indiana Department of Transportation (INDOT) source numbers, Certified Aggregate Producer Program (CAPP) numbers, and U.S. Dept. of Labor Mine Safety and Health Administration (MSHA) identification numbers.
Shaffer, K. R. 2010, Directory of industrial mineral producers in Indiana: Indiana Geological Survey Directory 11, 76 p., 8 fig.
Notes: This directory is also available on CD and includes an Adobe PDF of the paper publication and the listing data in Microsoft Excel and Microsoft Access formats.
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