University of Illinois Urbana-Champaign

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Showing 7261–7290 of 36,778 items
Thumbnail for Alkali-vapor detector tubes
Alkali-vapor detector tubes
Brown, Hugh Alexander; Knipp, Charles Tobias

Thumbnail for Photosynthesis, Productivity and Yield of Maize are not Affected by Open-Air Elevation of [CO2] Concentration in the Absence of Drought.
Photosynthesis, Productivity and Yield of Maize are not Affected by Open-Air Elevation of [CO2] Concentration in the Absence of Drought.
Leakey, A.D.B.; Uribelarrea, M.; Ainsworth, E.A.; Naidu, S.L.; Rogers, A.; Ort, D.R.; Long, S.P.

Thumbnail for 2019 Illinois Spring Bird Count Report
2019 Illinois Spring Bird Count Report
Beveroth, Tara A; Ward, Michael P

Thumbnail for Technograph. 37 (1924 - 1925)
Technograph. 37 (1924 - 1925)
Submitter: William Ingram

Thumbnail for INHS Reports, Autumn 2009
INHS Reports, Autumn 2009
Illinois Natural History Survey

Thumbnail for Subsurface geochemical investigation in western and southern Illinois : a pilot study
Subsurface geochemical investigation in western and southern Illinois : a pilot study
Erickson, Ralph Leroy; Erickson, M.S.; Chazin, Barbara; Baxter, James W.; Masters, J.M.; Eidel, J. James