The Indiana Geological and Water Survey (IGWS) has collected data and created databases on various physical and chemical parameters of Indiana coals for many years. The Indiana Coal Quality Database is a compilation of these databases and the most complete database of coal quality of Indiana coals currently available from the IGWS. This database provides location and quality information for 3,328 public, point-source coal data in southwestern Indiana. This interactive application allows users to interactively search, explore, and compare coal stratigraphic data. These data are important for regional coal resource evaluations and can be used by the public, industry, and state and federal governments. It is available online at https://igws.indiana.edu/IGSMap/DI21_ICQD
Drobniak, A., Mastalerz, M., and Johnson, M. R., 2018, Indiana Coal Quality Database: Indiana Geological and Water Survey Digital Information 21, https://igws.indiana.edu/IGSMap/DI21_ICQD.
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Indiana Geological and Water Survey
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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.