Camp, L. W., Company. Mining and grinding methods and costs at L. W. Camp Co. shale pit, Akron, Ohio.

Bibliographic Details

Corporate Author:	United States. Bureau of Mines
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [s.n.], 1936.
Subjects:	Mineral industries. Clays. Ceramics. Ohio.
Online Access:	Electronic resource (PDF)