University of Illinois Urbana-Champaign

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Showing 1831–1860 of 2,029 items
Thumbnail for Illinois wetland restoration and creation guide
Illinois wetland restoration and creation guide
Admiraal, Alicia N.; Morris, Marilyn J.; Brooks, Thomas C.; Olsen, Jeffrey W.; Miller, Michael V.

Thumbnail for Chicago River/Lake Shore area assessment
Chicago River/Lake Shore area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

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.