Central Valley basin, California water resources development program, Bureau of Reclamation, Department of the Interior, and Corps of Engineers (civil functions) Department of the Army, for the fiscal year ended June 30, 1956,

Mode of access: Internet.

A biological and water quality survey of Sugar Creek and tributaries, Crawford County, Illinois, August-September, 1992 /

"IEPA/WPC/93-063."--Cover.

A water quality survey of the Grand Calumet River from the Indiana State line to Burnham, Illinois : the Grand Calumet River portion of segment A-12 Des Plaines/Lake Michigan Basins, April-August, 1978.

Edited by Robert Schacht.

An intensive survey of Bear Creek in West-Central Illinois, August-September, 1992 /

"December, 1994."

An intensive survey of Otter Creek, Jersey County, Illinois, July, 1992 /

"July, 1993."

An intensive survey of the Vermilion River basin, Illinois River drainage, summer 1990 /

"IEPA/WPC/93-192."--Cover.

An intensive water quality survey of the Rock River from Rockford to Byron, Illinois, May-October, 1978 /

Bibliography: p. 35.

Analysis of water quality standards, Upper Sangamon Basin, Illinois /

Cover title.

Analysis of water quality : Rock River Basin in Illinois /

Cover title.

Analysis of water quality in the Galesburg Plain (McKee Creek, Lamoine River, Sugar Creek, Spoon River, and Kickapoo Creek), Illinois /

Bibliography: p. 30-1 to 30-4.

Analysis of water quality : upper Kaskaskia River Basin, Illinois /

Bibliography: p. 31-1-31-4.

Assessment of nonpoint source impacts on Illinois water quality.

"IEPA/WPC/88-020."

Biological and water quality survey of the Carroll Creek Watershed, Carroll County, Illinois, 1987-1988.

"IEPA/WPC/89-163."--Cover.

Evaluation of Illinois sieved stream sediment data, 1982-1995 : staff report /

At head of cover title: Illinois Environmental Protection Agency, Bureau of Land.

Pilot groundwater protection needs assessment for Illinois American Water Company's Pekin Public Water Supply Facility number 1795040 /

"November 1992."--Cover.