University of Illinois Urbana-Champaign

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Showing 9451–9480 of 11,750 items
Thumbnail for Subsidence resulting from mining
Subsidence resulting from mining
Young, Lewis Emanuel; Stoek, Harry Harkness

Thumbnail for Oil and gas development in Illinois in 1949
Oil and gas development in Illinois in 1949
Bell, Alfred Hannam; Kline, Virginia