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Articles 1 - 4 of 4
Full-Text Articles in Mining Engineering
The Venturi-Mucker, Don A. Rohrenbach
The Venturi-Mucker, Don A. Rohrenbach
Bachelors Theses and Reports, 1928 - 1970
Shaft sinking has been and still is one of the biggest bottlenecks in any mining operation. Consequently, the shaft is by far the most expensive and time-consuming excavation of any development program. When the shaft-sinking problem is broken up into its components, it is found that shaft mucking represents the largest fraction, both costwise and timewise. Since the mucking operation is the most important part of shaft sinking, it is, then, the most logical place for the introduction of cheaper methods.
Hydraulic Shaft Mucker, Frederick D. Owsley
Hydraulic Shaft Mucker, Frederick D. Owsley
Bachelors Theses and Reports, 1928 - 1970
Until recent years, mining has depended upon the muscles of men to supply the power required to obtain ore. With the rising cost of labor and the increased demand for metals, mine management has turned to machines to meet these demands. With the coming of the machines, the mechanization of mining began, and a new era in mining developed. Great strides have been made in drilling, hoisting, haulage, etc; but the sinking of shafts still create a costly operation.
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.
Prospecting For Uranium In Montana, Louis Karhi
Prospecting For Uranium In Montana, Louis Karhi
Bachelors Theses and Reports, 1928 - 1970
Atomic Energy Commission releases reports of investigations such as RMO, RME, TEI and TEM reports, etc., also releases airborne anomaly maps. Various libraries and A.E.C. offices have these reports on file. The Montana School of Mines library has maps, various reports on the mineral industry, and receives reports prepared by or for the Division of Raw Materials of the A.E.C. Certain other libraries are designated as official U.S. Atomic Energy Commission Depository Libraries and receive copies of all types of unclassified reports.