Weathering of Pittsburgh coal bed at experimental mine near Bruceton, Pa.

Bibliographic Details

Corporate Author:	United States. Bureau of Mines
Other Authors:	Fieldner, Arno Carl, 1881-1966, Porter, Horace C. (Horace Chamberlain), 1876-1944
Format:	Government Document eBook
Language:	English
Published:	Washington : U.S. GPO, 1914.
Series:	Mines Bur. Tech. Paper No. 35
Subjects:	Coal mines and mining. Gases. Maps. Electronic books.
Online Access:	Connect to the full text of this electronic document