University of Illinois Urbana-Champaign

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Showing 5041–5070 of 5,809 items
Thumbnail for Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Cave Biota of Great Basin National Park, White Pine County, Nevada
Cave Biota of Great Basin National Park, White Pine County, Nevada
Taylor, Steven J.; Krejca, Jean K.; Slay, Michael E.