Horizontal boring technology: a state-of-the-art study
By: by James Paone, William E. Bruce, and Roger J. Morrell.
Contributors: Bruce, William E., joint author.; Morrell, Roger J., joint author.
Series: United States. Bureau of Mines. Information circular ;; 8392; Information circular (United States. Bureau of Mines) ;; 8392.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1968
Place of publication: [Washington]
Language: eng
Number of pages: 86
Subjects: Boring.; Underground electric lines.
Notes: Bibliographical footnotes.