Morgan County surface water resources /

"March, 1970."

Ogle County surface water resources /

"April, 1968."

Piatt County surface water resources /

"January, 1968."

Perry County surface water resources /

"March, 1969."

Proposed water resources capital program.

Fiscal year ends June 30.

Schuyler County surface water resources /

"May, 1969."

Scott County surface water resources /

"January, 1970."

Sangamon County surface water resources.

Bibliography: p. 55-56.

Stark County surface water resources.

Bibliography: p. 40-41.

Water Pollution Control Loan Program : low interest wastewater treatment financing.

Description based on: 2000 edition.

Washington County surface water resources /

"February, 1970."

Water resources capital program, FY 91.

"June 1990."

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.