Clay mining methods and costs at Corunna (Mich.) pit of Aetna Portland Cement Company.

Bibliographic Details

Corporate Author:	Aetna Portland Cement Co
Other Authors:	Dibble, George O. (George Oliver), -1863
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1932.
Series:	Mines Bur. Info. Circ. No. 6657
Subjects:	Clay industries. Electronic books.
Online Access:	Connect to the full text of this electronic document