Petrographic and chemical composition of Indiana coals. - Neavel, Richard C. (Bloomington : For sale by Geological Survey, Indiana Dept. of Conservation, 1961)
Running title: Composition of Indiana coals.
With : Minerals of Indiana. Bloomington : State of Indiana, Dept. of Conservation, Geological Survey, 1960. Bound together subsequent to publication.
Bibliography: p. 76-77.
Keywords: Coal -- Indiana; Petrology -- Indiana; Coal -- Analysis