1) Block-caving mining methods and costs Bagdad Mine, Bagdad Copper Corp. Yavapai County, Ariz

Author
Hardwick, W. R
Series
Information circular volume 7890
Publisher
U.S. Dept. of the Interior, Bureau of Mines
Pub. Date
1959.
Language
English

2) Evaluation of soil and rock properties

Author
Sabatini, P. J
Series
Geotechnical engineering circular volume no. 5
Publisher
U.S. Department of Transportation, Office of Bridge Technology, Federal Highway Administration
Pub. Date
April 2002.
Language
English