Books by Kenneth Edward Clegg
Subsurface geology and coal re
Subsurface geology and coal resources of the Pennsylvanian system in De Witt, McLean, and Piatt Counties, Illinois
Subsurface geology and coal re
Subsurface geology and coal resources of the Pennsylvanian system in Sangamon, Macon, Menard, and parts of Christian and Logan Counties, Illinois
Subsurface geology and coal re
Subsurface geology and coal resources of the Pennsylvanian system in Douglas, Coles, and Cumberland Counties, Illinois
Igneous intrusive rocks in Ill
Igneous intrusive rocks in Illinois and their economic significance
Metamorphism of coal by peridotite dikes in southern Illinois
Some experimental factors that modify differential thermograms of bituminous coal