Affairs of the Association: LHA ANNUAL MEETING PROGRAM NEW ORLEANS, LOUISIANA APRIL 12-15, 2018Kelley, LauraLouisiana History
In Table 8, the values of the production capacity of a typical open stope in the illustrated iron mine were collected and calculated by evaluating the occupation time of drilling, blasting, mucking and filling, and these factors further determine the rates of ore recovery, ore dilution, ore ...