Reducing hazards in underground coal mines through the recognition and delineation of coalbed discontinuities caused by ancient channel processes /

Bibliographic Details
Main Author: Kertis, Carla A.
Corporate Author: United States. Bureau of Mines
Format: Government Document Book
Published: [Pittsburgh, Pa.] : U.S. Dept. of the Interior, Bureau of Mines, [1985]
Series:Report of investigations (United States. Bureau of Mines) ; 8987.
Online Access:
Item Description:Title from title screen (viewed on July 28, 2008).
Electronic resource.
Physical Description:23 pages : digital, PDF file.
Format:Mode of access: Internet at the National Institute for Occupational Safety and Health web site. Address as of 7/28/08: ; current access available via PURL.