University of Illinois Urbana-Champaign

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Showing 8641–8670 of 27,649 items
Thumbnail for Oil investigations in 1917 and 1918
Oil investigations in 1917 and 1918
Illinois State Geological Survey; Barrett, Nellie Okla; Nebel, Merle Louis; Coryell, Horace Noble; Tough, Fred H.; Williston, Samuel H.; Savage, Thomas Edmund

Thumbnail for Shallow Groundwater Sampling in Kane County, 2015
Shallow Groundwater Sampling in Kane County, 2015
Kelly, Walt; Hadley, Daniel; Mannix, Devin

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.