University of Illinois Urbana-Champaign

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Showing 571–600 of 1,492 items
Thumbnail for Mineral industries of Illinois
Mineral industries of Illinois
Christensen, H.P.; Erb, E.

Thumbnail for The biogeochemistry of blue, snow, and Ross' geese
The biogeochemistry of blue, snow, and Ross' geese
Hanson, Harold C.; Jones, Robert L.

Thumbnail for Technograph. 52-54 (1937 - 1940)
Technograph. 52-54 (1937 - 1940)
Submitter: William Ingram

Thumbnail for Irrigation Practices in Illinois
Irrigation Practices in Illinois
Bowman, Jean A.; Kimpel, Brian C.