An edition of Economic evaluation of borehole and conventional mining systems in phosphate deposits (1983)
Economic evaluation of borehole and conventional mining systems in phosphate deposits
By Joseph A. Hrabik
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Publish Date
1983
Publisher
U.S. Dept. of the Interior, Bureau of Mines
Language
eng
Pages
34
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Economic evaluation of borehole and conventional mining systems in phosphate deposits
Language: eng
Pages: 34
Published In: 1983
Publisher: U.S. Dept. of the Interior, Bureau of Mines