Automated longwall shield movements
By: Marvin W. Nichols, Jr., Kenneth T. Howard
Contributors: Howard, Kenneth T; United States. Mine Safety and Health Administration
Series: Program information bulletin -- no. P 95-23
Publisher: U.S. Dept. of Labor, Mine Safety and Health Administration
Published: 1995
Place of publication: Arlington, Va. (4015 Wilson Blvd., Arlington 22203-1984)
Language: eng
Format: Microform
Subjects: Longwall mining -- Safety measures; Coal mines and mining -- Safety measures
Notes: Caption title

Distributed to depository libraries in microfiche

"Issue date: September 27, 1995."

Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., [1995] 1 microfiche : negative