Raamatud Walter Henry Voskuil
Illinois Mineral Industry in 1938: a Preliminary Statistical Summary and Economic Review; Report of Investigations No. 56
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Illinois Mineral Industry in 1945; Report of Investigations No. 121
Walter Henry Voskuil, Nina T Hamrick, Douglas F Stevens
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Illinois Mineral Industry in 1949; Report of Investigations No. 150
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Illinois Mineral Industry in 1932: a Preliminary Statistical Summary and Economic Review; 557 Ilre no.28
Walter Henry Voskuil, Alma R Sweeny
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Illinois Mineral Industry in 1933: a Preliminary Statistical Summary and Economic Review; 557 Ilre no.36
Walter Henry Voskuil, Alma R Sweeny
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Illinois Mineral Industry in 1943; Report of Investigations No. 101
Walter Henry Voskuil, Douglas F Stevens
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Geology and Mineral Resources of the Marseilles, Ottawa, and Streator Quadrangles; Illinois State Geological Survey Bulletin No. 66
Walter Henry Voskuil, James Norman Payne
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The Market for Illinois Oil in 1937 and 1938; Report of Investigations No. 54
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Illinois Mineral Industry in 1950; Report of Investigations No. 158
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Illinois Mineral Industry in 1937: a Preliminary Statistical Summary and Economic Review; Report of Investigations No. 51
Walter Henry Voskuil, Alma R Sweeny
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Some Economic Aspects of the Illinois Oil Industry
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Illinois Mineral Industry in 1948; Report of Investigations No. 147
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Geology and Mineral Resources of the Marseilles, Ottawa, and Streator Quadrangles; Illinois State Geological Survey. Bulletin 66
Walter Henry Voskuil, James Norman Payne
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Illinois Mineral Industry in 1940; Historical Summary, 1919-1939; Report of Investigations No. 74
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An Economic Study of Fuels in Manufacturing; Report of Investigations No. 157
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Illinois Mineral Industry in 1934: a Preliminary Statistical Summary and Economic Review; 557 Ilre no.39
Walter Henry Voskuil, Alma R Sweeny
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Illinois Mineral Industry in 1939: With Special Discussion of Distribution of Coal in 1937; Report of Investigations No. 63
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Illinois Mineral Industry in 1942; Report of Investigations No. 94
Walter Henry Voskuil, Douglas F Stevens
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Illinois Mineral Industry in 1936: a Preliminary Statistical Summary and Economic Review; Report of Investigations No. 46
Walter Henry Voskuil, Alma R Sweeny
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Coke From Illinois Coals; Illinois State Geological Survey Bulletin No. 64
Paul E Grotts, Gilbert Thiessen, Walter Henry Voskuil
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Illinois Mineral Industry in 1947; Report of Investigations No. 140
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Illinois Mineral Industry In 1942 Illinois State Geological Survey, No. 94
Walter Henry Voskuil, Douglas F. Stevens
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A Regional Study in the Depletion of Soil Phosphorous
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