University of Illinois Urbana-Champaign

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Showing 991–1020 of 2,029 items
Thumbnail for Harmonic Mean Flows for Illinois Streams
Harmonic Mean Flows for Illinois Streams
Singh, Krishan P.; Ramamurthy, Ganapathi S.

Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for Precipitation Chemistry Trends in the United States: 1980-1993
Precipitation Chemistry Trends in the United States: 1980-1993
Lynch, James A.; Bowersox, Van C.; Simmons, Carol

Thumbnail for Annual newsletter / 1968-80
Annual newsletter / 1968-80
University of Illinois at Urbana-Champaign. Deptartment of Geology

Thumbnail for Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry

Thumbnail for Lake Michigan bibliography Volume 2
Lake Michigan bibliography Volume 2
Holm, Nancy Peterson; Morgan, Beth McArdle