Mining and crushing methods and costs at the Monocacy Quarry of the John T. Dyer Quarry Co., Monocacy, Pa.

Author: Conway, J. A.
Year: 1931
Document Type: MAIN
Issuing Agency: U.S. Dept. of Commerce, Bureau of Mines,
SUDOC: C 22.11:6405
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 6405
Subjects: Mines and mineral resources--Pennsylvania
Quarries and quarrying--Pennsylvania
Link: https://hdl.handle.net/2027/mdp.39015095085687

< New search