Limnology of Otter Lake, Macoupin County, Illinois : May-October, 1979.

Cover title.

Limnology of Lake Shabbona, De Kalb County, Illinois : May-October, 1979.

Cover title.

Limnology of Lake Taylorville, Christian County, Illinois : May-October, 1979.

Cover title.

Lighting efficiency for better energy cost control : guidelines for lighting standards and low cost strategies for efficient use of lighting in Illinois state buildings /

"ILENR/BE-86-01."--Cover.

Low oil prices and the Illinois oil industry : effects, outlook, and policy recommendations /

Includes bibliographical references (p. 14).

Look us up : the public awareness campaign for Illinois libraries - summary report on the campaign launch.

Cover title.

Limnology of Pittsfield City Lake, Pike County, Illinois : May-October, 1979.

Cover title.

Limnology of Round Lake, Lake County, Illinois : May-October, 1979.

On cover: Investigation of Illinois surface waters.

Low-flow frequencies of Illinois streams,

Bibliography: p. 308.

LLW : the Illinois approach : site identification plan and status report /

Cover title.

Man's venture in culture; some inventions underlying civilization in Illinois of today.

Bibliography: p. [2]

Low-level radioactive waste : near-term management options for Illinois : a report to Governor James R. Thompson and the 83rd General Assembly /

Cover title.

Los a rboles de Illinois : libro de identificacio n y actividades.

This activity book is designed to supplement the information provided in the Illinois Trees poster from the Illinois Department of Natural Resources (IDNR). When using this book, students will become familiar with identification characteristics of leaves (page 2) and will be able to identify tree species by using a dichotomous key to these leaves (page 5). Students will also become familiar with traits of the tree species and key vocabulary words.

Magnitude and frequency of floods in Illinois,

Bibliography: p. 594.

Mamiferos de Illinois /

"1/07"--p. 2.