Dry-process-sprayed coal mine sealants, an updated progress report
By: by Jack E. Fraley.
Contributors: United States. Bureau of Mines
Series: Report of investigations - Bureau of Mines -- 8266; Report of investigations (United States. Bureau of Mines) -- 8266.
Publisher: Dept. of the Interior, Bureau of Mines
Published: 1978
Place of publication: [Washington]
Language: eng
Number of pages: 10
Subjects: Sealing compounds.; Coal mines and mining.; Mining engineering.
Notes: Updates 1977 report.