Automated borehold surveying system for steeply inclined cased boreholes
By: by Willard J. Tesch, jr. ; Denver Mining Research Cener
Contributors: United States. Bureau of Mines
Series: Report of investigations - Bureau of Mines ; 8156
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1976
Place of publication: [Washington]
Language: eng
Number of pages: 27
Subjects: Mine surveying; Borings
Notes: Errata sheet, 1 p., included