Ventilation study of Graceton Coal and Coke Company mine, Graceton, Pa.

Bibliographic Details

Corporate Author:	Graceton Coal & Coke Co
Other Authors:	Currie, R. D. (Robert Dewey), 1898-, Maize, Earl R.
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1932.
Series:	Mines Bur. Info. Circ. No. 6614
Subjects:	Ventilation. Electronic books.
Online Access:	Connect to the full text of this electronic document