Economic evaluation of borehole and conventional mining systems in phosphate deposits
By: by Joseph A. Hrabik and Douglas J. Godesky.
Contributors: Godesky, Douglas J.
Series: Information circular / United States Department of the Interior, Bureau of Mines ;; 8929; Information circular (United States. Bureau of Mines) ;; 8929.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1983
Place of publication: Pgh. [Pittsburgh], Pa
Language: eng
Number of pages: 34
Subjects: Phosphate mines and mining.; Borehole mining.
Notes: Bibliography: p. 16.