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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, division, regional company address, telephone number, fax number, website address, e-mail address, mine or plant name, location, address, telephone number, fax number, e-mail address, , quadrangle, congressional land survey location (PLSS), products, geology, notes, 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.
The related Story Map (igs.indiana.edu/IGSMap/?map=mineralproducers) gives industry information and shows locations of the various mines and plants with zoom capabilities. Clicking on an operation gives contact information. There are preset filters for commodity, mine, company, and county, but other filters are possible. Maps that are generated can be printed and saved. Data can also be downloaded to a CSV file and there are also links to additional sources of information.
Shaffer, K. R., compiler, 2016, Directory of industrial mineral producers in Indiana: Indiana Geological Survey Directory 11-2016, 287 p.
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IGS Return Policy
All sales are final. Materials may not be returned after they have been accepted by the customer. Any discrepencies in mail orders must be reported to IGWS within 10 days of receipt of order.
The Indiana Geological and Water Survey will refund the purchase price and sales tax of products if returned with the original sales receipt within 10 days of receipt of order. Refunds will be issued with the same method of payment as indicated on the original receipt except for cash purchases, which will be refunded by check. Items must be returned in the same condition as purchased. Refunds on digital products and services are not allowed, except for defective media such as CD-ROMs, flash drives, and so on. The customer is responsible for paying shipping costs to return items.