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Full-Text Articles in Mining Engineering
Cost Comparison Of Planer Mining And Open-Stope Mining Of Phosphate Rock, George Krempasky
Cost Comparison Of Planer Mining And Open-Stope Mining Of Phosphate Rock, George Krempasky
Bachelors Theses and Reports, 1928 - 1970
This paper outlines and describes a proposed mining method and its cost. The object of the paper is to evaluate a low-cost, maximum recovery, underground mining method for mining Western phosphate rock as compared to an open-stope system.
Drilling And Drilling Trends In The United States For Mining, Sidney D. Cooper
Drilling And Drilling Trends In The United States For Mining, Sidney D. Cooper
Bachelors Theses and Reports, 1928 - 1970
This thesis, which is a requirement for a degree in Mining Engineering, emphasizes many current drills and drilling trends; however, without a complete discussion of the numerous factors that effect drills and drilling the reader would still be at a loss in selecting a drill to fit his particular need. With this purpose in mind, I have first attempted to discuss the many variables which must be considered and this is followed by the various types of drilling and drills.