University of Illinois Urbana-Champaign

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Showing 571–600 of 836 items
Thumbnail for Kane County water well database
Kane County water well database
Eidel, J. James; Visocky, Adrian P.; Zelinsky, Charles J.

Thumbnail for Mississippian border of eastern interior basin
Mississippian border of eastern interior basin
Weller, James Marvin; Sutton, Arle H.

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Big Rivers area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division