Annual report on Nonmetals Division, fiscal year 1938.

Bibliographic Details
Corporate Author:	United States. Bureau of Mines
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [s.n.], 1938.
Subjects:	Nonmetallic minerals. Nonmetals.
Online Access:	Electronic resource (PDF)

Description
Item Description:	Includes tables and graphs.
Physical Description:	1 online resource (43 pages), digital, PDF file