Method and cost of mining Upper and Lower Freeports and Lower Kittanning in group of mines in western central Pennsylvania.

Bibliographic Details

Other Authors:	Paul, J. W. (James Washington), Tomlinson, Herbert
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1929.
Series:	Mines Bur. Info. Circ. No. 6151
Subjects:	Mines and mineral resources. Electronic books.
Online Access:	Connect to the full text of this electronic document