The Illinois Statewide Gas Utility Plan, 1990-2000: Analysis and appendices Published: 1990 Total Pages: 442 Get eBook
The Illinois Statewide Gas Utility Plan, 1990-2000: Executive summary Published: 1990 Total Pages: 68 Get eBook
The Illinois Statewide Gas Utility Plan, 1993-2002: Main report Published: 1992 Total Pages: 478 Get eBook
Monthly Checklist of State Publications Library of Congress. Exchange and Gift Division Published: 1990 Total Pages: 822 Get eBook
Publications List, January 1985 - August 1994 Illinois. Department of Energy and Natural Resources Published: 1994 Total Pages: 38 Get eBook
