Splint coals of the Appalachian Region
Subtitle: their occurrence, petrography, and comparison of chemical and physical properties with associated bright coals
By: by G.C. Sprunk, W.H. Ode, W.A. Selvig, and H.J. O'Donnell.
Contributors: Ode, W. H. 1905-; Selvig, W. A. 1886-; O'Donnell, H. J.
Series: U.S. Bureau of Mines. Technical paper; 615
Publisher: U.S. Govt. Print. Off.
Published: 1940
Place of publication: Washington
Language: eng
Number of pages: 59
Subjects: Coal -- Appalachian Mountains; Coal -- Analysis; Bituminous coal
Notes: At head of title: United States Dept. of the Interior. Harold L. Ickes, secretary. Bureau of Mines, R.R. Sayers, director.