University of Illinois Urbana-Champaign

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Showing 1801–1830 of 7,849 items
Thumbnail for Oil and gas development in Illinois in 1948
Oil and gas development in Illinois in 1948
Bell, Alfred Hannam; Kline, Virginia

Thumbnail for Agstone used in Illinois in 1946
Agstone used in Illinois in 1946
Voskuil, Walter H.; Stevens, Douglas F.; King, Ethel M.

Thumbnail for Composition and character of Illinois coals,
Composition and character of Illinois coals,
Parr, Samuel Wilson; Bement, Alburto; Breckenridge, Lester Paige