Dry-processed-sprayed coal mine sealants, a progress report
By: Jack E. Fraley and Dennis J. Cox.
Contributors: Cox, D. J. 1943-; United States. Bureau of Mines
Series: Report of investigations - Bureau of Mines -- 8233; Report of investigations (United States. Bureau of Mines) -- 8233.
Publisher: Dept. of the Interior, Bureau of Mines
Published: 1977
Place of publication: [Washington]
Language: eng
Number of pages: 22
Subjects: Sealing compounds.; Coal mines and mining.; Mining engineering.