University of Illinois Urbana-Champaign

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Showing 691–720 of 2,451 items
Thumbnail for Agstone used in Illinois in 1946
Agstone used in Illinois in 1946
Voskuil, Walter H.; Stevens, Douglas F.; King, Ethel M.

Thumbnail for Preliminary report on organization and method of investigations.
Preliminary report on organization and method of investigations.
Illinois. Coal mining investigations. (Co-operative agreement.)

Thumbnail for Chicago River/Lake Shore area assessment
Chicago River/Lake Shore area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for INHS Reports, Winter 2005
INHS Reports, Winter 2005
Illinois Natural History Survey

Thumbnail for Biological Assessments of Six Selected Fishes, Amphibians, and Mussels in Illinois
Biological Assessments of Six Selected Fishes, Amphibians, and Mussels in Illinois
Page, Lawrence M.; Phillips, Christopher A.; Cummings, Kevin S.

Thumbnail for Hydraulic Geometry and Low Streamflow Regimen
Hydraulic Geometry and Low Streamflow Regimen
Stall, John B.; Yang, Chih Ted

Thumbnail for Gas purification in the medium-size gas plants of Illinois.
Gas purification in the medium-size gas plants of Illinois.
Dunkley, William Albert; Barnes, Clifton E.