Development of a flexible shaft roof drilling system
Subtitle: final report
By: contractor, Foster-Miller Associates
Contributors: United States. Dept. of Energy
Series: FE ; 9087-1
Publisher: Dept. of Energy; for sale by the National Technical Information Service
Published: 1977
Place of publication: [Washington]; Springfield, Va
Language: eng
Number of pages: 66
Subjects: Flexible shafting; Mining machinery; Boring machinery
Notes: On cover: Fossil energy

Contract no. U.S.D.O.E. ET-74-C-01-9087 (formerly U.S.B.M. H0242060)

July 1977

Includes bibliographical references