University of Illinois Urbana-Champaign

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Showing 3421–3450 of 6,230 items
Thumbnail for Water flooding of oil sands in Illinois
Water flooding of oil sands in Illinois
Squires, Frederick; Bell, Alfred Hannam

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 Glacial tills of Northwestern Illinois
Glacial tills of Northwestern Illinois
Illinois State Geological Survey; Frye, John Chapman

Thumbnail for Tests of composite timber and concrete beams
Tests of composite timber and concrete beams
Richart, Frank Erwin; Williams, Clarence Benjamin

Thumbnail for Survey of the Illinois Fur Resource
Survey of the Illinois Fur Resource
Brown, Louis G.; Yeager, Lee E.