University of Illinois Urbana-Champaign

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Showing 151–180 of 14,839 items
Thumbnail for Big Muddy River area assessment
Big Muddy River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Sex Ratios and Age Ratios in North American Ducks
Sex Ratios and Age Ratios in North American Ducks
Bellrose, Frank Chapman; Scott, Thomas G.; Hawkins, Arthur Stuart; Low, Jessop B.

Thumbnail for Assessment of a Regional Aquifer in Central Illinois
Assessment of a Regional Aquifer in Central Illinois
Burris, Charles B.; Morse, Walter J.; Naymik, Thomas G.

Thumbnail for Directory to the Floodplain Information Repository - Vol. 4.
Directory to the Floodplain Information Repository - Vol. 4.
Bender, G. Michael; Howard, Sandra K.; Chenoweth, Cheri A.; Lardner, John P.

Thumbnail for Some unusual natural areas in Illinois
Some unusual natural areas in Illinois
Evers, Robert August; Page, Lawrence M.

Thumbnail for Spoon River area assessment
Spoon River area assessment
Submitter: Steven Mccauley

Thumbnail for Hydrologic design of impounding reservoirs in Illinois
Hydrologic design of impounding reservoirs in Illinois
Terstriep, Michael L.; Demissie, Misganaw; Noel, Douglas C.; Knapp, Vernon

Thumbnail for Quaternary faulting in the New Madrid seismic zone in southernmost Illinois
Quaternary faulting in the New Madrid seismic zone in southernmost Illinois
Nelson, W. John; Denny, F. Brett; Devera, Joseph A.; Follmer, Leon R.; Masters, John M.; Sexton, John

Thumbnail for Provisional time-of-travel for Illinois streams
Provisional time-of-travel for Illinois streams
Stall, John Byron; Hiestand, Douglas W.