Geology, hydrogeology, and water quality of the karst regions of southwestern Illinois and Southeastern Missouri /

"33rd annual meeting, April 1999 North-Central section, Geological Society of America" --cover.

Fox River Watershed investigation : Stratton Dam to the Illinois River, phase II : hydrologic and water quality simulation models, part 1, methodology and procedure for development of HSPF models /

"May 2007"--T.p.

Fox River Watershed investigation : Stratton Dam to the Illinois River, Phase II : hydrologic models and water quality simulation models, part 2 : Blackberry and Poplar Creek HSPF models, calibration and initial simulation results /

"June 2007."

Fox River Watershed Investigation : Stratton Dam to the Illinois River : Phase II : Blackberry Creek and Poplar Creek hydrologic and water quality simulation models : executive summary.

"June 2007."

Illinois Conference on Soil Conservation and Water Quality : conference proceedings of November 9-10, 1983 at Holiday Inn East, Springfield, Illinois /

Includes bibliographical references.

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

Cover title.

The effects of hydrologic modifications on aquatic biota, stream hydrology and water quality : a literature review /

"IEPA/WPC/84-001."-- Cover.

The siting puzzle : piecing together economic development and environmental quality : proceedings of the Thirteenth Annual ENR Conference, September 13 and 14, 1984, Chicago, Illinois.

"January 1985."

Researches, physiological and anatomical.

Mode of access: Internet.

Physiological and medical observations among the Indians of southwestern United States and northern Mexico,

Microfilmed for preservation.

Introduction to physiological and pathological chemistry.

Mode of access: Internet.

Effects of thinning and a wildfire on sediment production rates, channel morphology, and water quality in the upper South Platte River watershed /

"Spring 2004."

Effects of age, plant spacing, and other variables on growth, yield, and fiber quality of kenaf, Hibiscus cannabinus L.

Bibliography: p. 19.

Field-degradation effects on cotton fiber and yarn quality

Bibliography: p. 17-18.

Social Security : staff reductions and service quality : briefing report to Congressional requesters /

"B-226484"--P. [1].