University of Illinois Urbana-Champaign

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Showing 1–30 of 488 items
Thumbnail for Nitrogen in the Nation's Rain
Nitrogen in the Nation's Rain
National Atmospheric Deposition Program

Thumbnail for INHS Reports, November 1991
INHS Reports, November 1991
Illinois Natural History Survey

Thumbnail for Harmonic Mean Flows for Illinois Streams
Harmonic Mean Flows for Illinois Streams
Singh, Krishan P.; Ramamurthy, Ganapathi S.