Sandstone channels, their influence on roof control in coal mines
By: by Kirk W. McCabe and William Pascoe
Contributors: Pascoe, William, joint author; United States. Mine Safety and Health Administration
Series: Information report - Mine Safety and Health Administration ; IR 1096; Informational report (United States. Mine Safety and Health Administration) -- IR 1096
Publisher: Dept. of Labor, Mine Safety and Health Administration
Published: 1978
Place of publication: [Washington]
Language: eng
Number of pages: 24
Subjects: Coal mines and mining -- Safety measures; Sandstone
Notes: Includes bibliographical references