Data rich and information poor : a report to the Chief of the Natural Resources Conservation Service /

"November 1995."

"Click it or Ticket" program evaluation : June 2002 observational survey results / compiled and prepared by Illinois Dept. of Transportation, Division of Traffic Safety, Evaluation Unit.

"August 2002"--Cover.

A directory of Illinois nature preserves /

Mode of access: Internet.

A directory of Illinois nature preserves /

v.1. Northeastern Illinois -- v.2. Northwestern, Central and Southern Illinois.

A Field guide to the wetlands of Illinois.

Includes index.

A Feasibility study of cancer surveillance in Illinois /

Project no.: 90.026.

A review of concentrations, chemical composition, size distribution and health effects related to inorganic inhalable particulates in Illinois /

"Project no. 90.021."

Abundance of trace and minor elements in organic and mineral fractions of coal /

"August 1980."

Addendum to Strategic planning study for flood control : Crystal Creek, Villages of Franklin Park & Schiller Park, Cook County, Illinois.

"OWR/SPS/99-003."

A survey of projection activities of selected planning agencies in the State of Illinois : a report to the Illinois Environmental Protection Agency, Division of Air Pollution Control /

"June 1975."

Alas, aguijones y cosas zanquilargas : insectos de Illinois

Introduces Illinois insects including the house fly, mosquito, grasshopper, dragonfly, praying mantis, monarch butterfly, firefly, honey bee, water strider, and ladybug.

An economic analysis of effluent standards for BOD, ammonia, total suspended solids, and disinfection : case study of a modern treatment plant /

"Project no. 80.160."

An Overview of Illinois ethanol production and gasohol sales.

"June 1981."

Aves comunes de Illinois /

This activity book is designed to supplement the information provided in the Illinois Common Birds poster from the Illinois Department of Natural Resources (IDNR). When using this book, students will become familiar with the traits and appearance of 18 bird species commonly seen in Illinois. The information and activities can help you to meet the following Illinois Learning Standards: 12.B.2a; 12.B.2b.

Biology, ecology, and management of deer in the Chicago metropolitan area, 1 July 1988- 30 June 1989 /

15 August 1988.