- Additional Authors
- Description
- iv, 98 p.; cm.
- Series Statement
- Mines Bur. Technical Paper No. 541
- Subject
- Mine roof control
- Note
- Reuse of record except for individual research requires license from LexisNexis.
- [With data on employees, production, hours, roof construction and timber usage, accidents and deaths by cause, and workers compensation costs]
- Indexed In (note)
- CIS Index to U.S. Executive Branch Documents, 1910-1932 Part 2
- Reproduction (note)
- Call Number
- C22.5-541
- OCLC
- cis19127137
- Title
Study of mine roof of Pittsburgh coal bed in Pittsburgh mining district [microform]
- Imprint
[Washington?] : U.S. G.P.O., 1932.
- Series
Mines Bur. Technical Paper No. 541
- Indexed In:
CIS Index to U.S. Executive Branch Documents, 1910-1932 Part 2
- Reproduction
Microfiche. [Bethesda, Md.]: LexisNexis Academic & Library Solutions, 1997, 11 x 15 cm. (CIS US Executive Branch Documents : no. C22.5-541)
- Added Author
Paul, J. W. (James Washington)
Plein, Leopold Nicholas, 1897-
- Sudoc No.
C 22.5:541
I 28.7:541
- Research Call Number
C22.5-541