University of Illinois Urbana-Champaign

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Showing 1651–1680 of 3,782 items
Thumbnail for The 7-day 10-year low flows of Illinois streams
The 7-day 10-year low flows of Illinois streams
Singh, Krishan P.; Stall, John Byron

Thumbnail for Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for The mineral content of Illinois waters
The mineral content of Illinois waters
Bartow, Edward; Udden, Johan August; Parr, Samuel Wilson; Palmer, George Thomas

Thumbnail for Hill Prairies of Illinois
Hill Prairies of Illinois
Evers, Robert August