Coking-coal deposits of the western United States
By: by Louise R. Berryhill and Paul Averitt.
Contributors: Averitt, Paul, 1908-
Series: Geological Survey circular; 90
Published: 1951
Place of publication: [Washington]
Language: eng
Number of pages: 20
Subjects: Coking coal -- United States
Notes: "References": p. 19-20.
Cover title.