University of Illinois Urbana-Champaign

Academic Unit
Collection
Author(s)
Keyword(s)
Type of Resource
Showing 4651–4680 of 5,550 items
Thumbnail for Effective discharges of Illinois streams
Effective discharges of Illinois streams
Crowder, David W.; Knapp, H. Vernon

Thumbnail for Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.