University of Illinois Urbana-Champaign

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Showing 631–660 of 978 items
Thumbnail for Illinois Breeding Bird Atlas
Illinois Breeding Bird Atlas
Kleen, Vernon M.; Cordle, Liane; Montgomery, Robert A.

Thumbnail for Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for GeoSciences / 1994-99
GeoSciences / 1994-99
Submitter: Howard Ding