Books by Walter Henry 1892- Voskuil
Coke from Illinois Coals; Illi
Coke from Illinois Coals; Illinois State Geological Survey Bulletin No. 64
Geology and Mineral Resources
Geology and Mineral Resources of the Marseilles, Ottawa, and Streator Quadrangles; Illinois State Geological Survey Bulletin No. 66
Illinois Mineral Industry In 1934
Illinois Mineral Industry In 1
Illinois Mineral Industry In 1938
Illinois Mineral Industry in 1
Illinois Mineral Industry in 1942; Report of Investigations No. 94
Illinois Mineral Industry in 1
Illinois Mineral Industry in 1947; Report of Investigations No. 140
Illinois Mineral Industry in 1
Illinois Mineral Industry in 1948; Report of Investigations No. 147
Illinois Mineral Industry in 1
Illinois Mineral Industry in 1950; Report of Investigations No. 158
Market for Illinois Oil in 193
Market for Illinois Oil in 1937 and 1938; Report of Investigations No. 54
Minerals in World Industry; 6
Minerals in World Industry; 6