http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Illinois Basin coal planning assistance project
Environmental Systems Application Center.
4 volumes : illustrations (some color) ; 28 cm.
v. 1. Coal resources fact book -- v. 2. Natural resources guide book -- v. 3. Socio-economic resources guide book -- v. 4. Information source book.
prepared by the Environmental Systems Application Center, School of Public and Environmental Affairs, Indiana University, in cooperation with Illinois State Geological Survey, Indiana Geological Survey, and Kentucky Geological Survey for the U.S. Geological Survey, Office of Earth Science Applications.