Coal products
Subtitle: an object lesson in resource administration
By: by Chester G. Gilbert.
Series: The mineral industries of the United States.; Smithsonian institution.  U. S. National museum.  Bulletin 102, pt. 1
Publisher: Govt. print. off.
Published: 1917
Place of publication: Washington
Language: eng
Number of pages: 16
Subjects: Coal.; Coal-tar products.