Splint coals of the Appalachian Region:
their occurrence, petrography, and comparison of chemical and physical properties with associated bright coals /
by G.C. Sprunk, W.H. Ode, W.A. Selvig, and H.J. O'Donnell.
Description
- Language(s)
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English
- Published
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Washington, D.C. : U.S. Govt. Print. Off., Bureau of Mines, 1940.
- Note
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At head of title: United States Dept. of the Interior. Harold L. Ickes, secretary. Bureau of Mines, R.R. Sayers, director.
- Physical Description
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iv, 59 p. :
illus. (incl. map) tables, diagrs. ;
23 cm.
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