Illinois; land of Lincoln, inland empire.

Includes music and words of state song.

Land pollution : strategies for emergency action : submitted to Illinois Institute for Environmental Quality /

Includes index.

Land-use contribution to in-stream constituent loadings /

Bibliography: p. 18.

Land and water report /

Report year ends June 30.

Land treatment using plant-soil ecosystems to purify wastewater and recycle resources.

Cover title.

Land resource management /

"Report of the Illinois Land Resources Management Study Commission."

Land use element guidelines for local and areawide agencies : preliminary draft /

Xerox copy.

Mobilizing the watershed community : linking land, water, and people.

"This document lays out Illinois EPA's approach to meeting these laws by providing the watershed community the opportunity to be the key decision makers in the process"--Cover.

Problem sites : surface-mined land in Illinois /

Bibliography: p. 17-23.

Population, economic, and land use forecast techniques : urbanized area transportation study /

Cover title.

Relationships between land-use and chemical quality of Illinois streams /

Cover title.

Salt Creek flood prone land acquisition, DuPage County.

Kept up to date by addendum.

Surface-mined land conservation & reclamation act: (PA 78-1295, effective July 1, 1975) : rules and regulations (effective March 18, 1976).

Mode of access: Internet.

The economic effects of underground mining upon land used for Illinois agriculture /

"February 1985."

The Influences of land uses and stream modifications on water quality in the streams of the Court Creek Watershed /

"Contract WR 22."