Guide to the insects of Connecticut,

Parts I-II contained in Bulletin 16.

A resource directory to local involvement in river & stream stewardship : a citizen's guide.

"August 1992."

A selection of the common, unusual, and rare insects of Illinois /

"This booklet is ... not an entomology textbook and we have devoted most of the space to photographs of insects." -- pg. [1].

An intensive survey of Illinois River and its tributaries : a comparison study of 1967 and 1978 stream conditions /

Chiefly tables.

Biological Stream Characterization (BSC) : a biological assessment of Illinois stream quality /

"IEPA/WPC/89-275"--Cover.

Biological stream characterization (BSC): biological assessment of Illinois stream quality through 1993 /

"November 1996."

Citizen stream monitoring : a manual for Illinois /

"ILENR/RE-WR-90/18."

Common Illinois insects : and why they are interesting.

Bibliography: p. 31-32.

Critical trends assessment Program 2002 report

"July 2003"

Data collection methods and summaries for the assessment of stream water quality in the Vermilion River Basin (Wabash River), 2001 /

Cover title.

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

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

Evaluation of Illinois stream sediment data, 1974-1980 /

"IEPA/WPC/84-004."-- Cover.

Feasibility of a systematic approach to water quality management in Illinois : annual report of stream/lake classification project /

Pbk.

Integrating multiple taxa in a biological stream rating system.

"This report is based largely on work done by Leslie Bol and Leon Hinz of the Illinois Natural History Survey, and Ann Marie Holtrop of the IDNR. Their work was funded by IDNR through the Illinois State Wildlife Grant Program (T-20-P-001)." -- acknowledgments.

Land-use contribution to in-stream constituent loadings /

Bibliography: p. 18.