Longwall gate road stability in a steeply pitching thick coal seam with a weak roof: [microform] /: by Lance R. Barron and Matthew J. DeMarco.

Longwall gate road stability in a steeply pitching thick coal seam with a weak roof [microform] / by Lance R. Barron and Matthew J. DeMarco.

1995

I 28.23: 9580

Available at Government Documents Microfiche

Formats

Title

Longwall gate road stability in a steeply pitching thick coal seam with a weak roof [microform] / by Lance R. Barron and Matthew J. DeMarco.

Author

Publication Details

[Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, 1995.

Language

English

Description

ii, 33 p. : ill., maps ; 28 cm.

Call Number

I 28.23: 9580

GPO Item No.

0637-A (MF)

Note

Distributed to depository libraries in microfiche.
Shipping list no.: 96-0482-M.

Bibliography, etc. Note

Includes bibliographical references (p. 15-16).

Reproduction

Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1996] 1 microfiche : negative.

Added Author

Added Corporate Author

Series

Report of investigations (United States. Bureau of Mines) ; 9580.

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