Mining Methods and Costs, Inspiration Consolidated Copper Company, Open-Pit Mine, Gila County, Arizona
Description:
Report issued by the U.S. Bureau of Mines discussing copper mining methods and costs in Gila County, Arizona. As stated in the introduction, "this report reviews the underground mining method with emphasis on data and mechanics of block caving as exposed by the open-pit work. It describes the current operating and engineering practice in the open-pit mine with particular emphasis on physical, economic, engineering, and management factors that have affected the choice of mining method and equipm…
more
Date:
1963
Creator:
Hardwick, William R.
Item Type:
Refine your search to only
Report