University of Illinois Urbana-Champaign

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Showing 121–150 of 6,256 items
Thumbnail for Preliminary report on organization and method of investigations.
Preliminary report on organization and method of investigations.
Illinois. Coal mining investigations. (Co-operative agreement.)

Thumbnail for Classification of the Pennsylvanian rocks of Illinois as of 1956,
Classification of the Pennsylvanian rocks of Illinois as of 1956,
Wanless, Harold R. (Harold Rollin), 1899-1970.; Siever, Raymond

Thumbnail for Availability of the Springfield Coal for mining in Illinois : map summary of Illinois minerals 118
Availability of the Springfield Coal for mining in Illinois : map summary of Illinois minerals 118
Treworgy, Colin G.; Korose, Christopher P.; Chenoweth, Cheri A.; North, Daniel L.

Thumbnail for Biologically Significant Illinois Streams: An Evaluation of the Streams of Illinois Based on Aquatic Biodiversity
Biologically Significant Illinois Streams: An Evaluation of the Streams of Illinois Based on Aquatic Biodiversity
Page, Lawrence M.; Cummings, Kevin S.; Mayer, Christine A.; Post, Susan L.; Retzer, Michael E.

Thumbnail for Impact of Earthquakes on the Central USA
Impact of Earthquakes on the Central USA
Elnashai, Amr S.; Cleveland, Lisa J.; Jefferson, Theresa; Harrald, John

Thumbnail for Availability of the Herrin Coal for mining in Illinois : map summary of Illinois minerals 120
Availability of the Herrin Coal for mining in Illinois : map summary of Illinois minerals 120
Treworgy, Colin G.; Korose, Christopher P.; Wiscombe, Christine L.