The upper Des Plaines River basin : an inventory of the region's resources /

"A project of the Critical Trends Assessment Program (CTAP and the Ecosystems Program of the Illinois Department of Natural Resources (IDNR)"--P. [2] of cover.

The Sugar-Pecatonica Rivers basin : an inventory of the region's resources /

"A project of the Critical Trends Assessment Program."

The Sinkhole Plain : an inventory of the region's resources /

"A project of the Critical Trends Assessment Program."

The Vermilion River basin : an inventory of the region's resources.

"A project of the Critical Trends Assessment Program."

Washington County surface water resources /

"February, 1970."

Water resources management in Illinois : a program review /

Cover title.

Water resources capital program, FY 91.

"June 1990."

Water resources and other related laws of Illinois.

Description based on: 1978.

Water resources [of] southern Illinois.

Mode of access: Internet.

Wayne County surface water resources /

"February, 1968."

Water resources planning in Illinois : papers /

Papers presented at the 1964 Illinois Conference on Water Resources Development.

Whiteside County surface water resources,

Mode of access: Internet.

Water watch : the Illinois EPA water resources newsletter.

Caption title.

Water resources availability, quality, and cost in northeastern Illinois /

Bibliography: p. 88-90.

Wood waste disposal in Illinois / Illinois Department of Energy and Natural Resources, Office of Solid Waste and Renewable Resources.

"ILENR/RR-91/04."