Microseismic Method of Predicting Rock Failure in Underground Mining Part 1
Subtitle: General Method.
Contributors: Obert, Leonard, 1906-; Duvall, Wilbur I.
Series: Report of investigations (United States. Bureau of Mines) -- 3797
Publisher: s.n
Published: 1944
Place of publication: S.l
Language: eng
Notes: 1