University of Illinois Urbana-Champaign

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Showing 991–1020 of 10,212 items
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 Oil investigations in Illinois in 1916, under direction of Fred H. Kay.
Oil investigations in Illinois in 1916, under direction of Fred H. Kay.
Illinois State Geological Survey; Kay, Fred Hall; Brokaw, Albert Dudley; St. Clair, Stuart; Butts, Charles

Thumbnail for Current developments and future trends for the OAI Protocol for Metadata Harvesting
Current developments and future trends for the OAI Protocol for Metadata Harvesting
Shreeves, Sarah L.; Habing, Thomas G.; Hagedorn, Kat; Young, Jeffery