Recommended procedures and methodology of coal description /

Bibliographic Details
Main Author:	Chao, E. C. T.
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Minkin, J. A., Thompson, C. L.
Format:	Government Document Book
Language:	English
Published:	[Reston, Va.] : U.S. Dept. of the Interior, Geological Survey ; 1983.
Series:	Geological Survey circular ; 894.
Subjects:	Coal > Analysis.

Description
Physical Description:	iv, 31 pages : illustrations ; 26 cm.
Bibliography:	Bibliography: page 28.