Relation of the carbon/oxygen ratio in coal to igneous intrusions in the Somerset coal field, Colorado /

Bibliographic Details
Main Author:	Dyni, John R.
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Gaskill, David L.
Format:	Government Document Book
Language:	English
Published:	[Reston, Va.] : Dept. of the Interior, Geological Survey ; 1980.
Series:	Geological Survey bulletin ; 1477-A. Contributions to geochemistry.
Subjects:	Coal > Colorado > Analysis.

Description
Physical Description:	iv, A 20 pages : illustrations, maps (1 folded in pocket) ; 24 cm.
Bibliography:	Bibliography: p. A 18-A 20.