University of Illinois Urbana-Champaign

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Showing 4951–4980 of 6,249 items
Thumbnail for Oil and gas development in Illinois during 1953
Oil and gas development in Illinois during 1953
Bell, Alfred Hannam; Kline, Virginia

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 Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.