University of Illinois Urbana-Champaign

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Showing 9301–9330 of 12,306 items
Thumbnail for Practical Guide for Ground-water Sampling
Practical Guide for Ground-water Sampling
Barcelona, Michael J.; Gibb, James P.; Helfrich, John A.; Garske, Edward E.

Thumbnail for Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Petroleum industry in Illinois, 1971. 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; Parr, Samuel Wilson; Palmer, George Thomas; Udden, Johan August