Polymeric sealant used to stop shale degradation in coal mines
By: J. C. Franklin, K. D. Weverstad, and R. F. Marquardt
Contributors: United States. Bureau of Mines; United States. Bureau of Mines. Coal Mine Health and Safety Program
Series: Technical progress report - Bureau of Mines ; 103
Publisher: Dept. of the Interior, Bureau of Mines
Published: 1977
Place of publication: [Washington]
Language: eng
Subjects: Sealing compounds; Shale; Coal mines and mining -- Safety measures
Notes: Prepared for Bureau of Mines Coal Mine Health and Safety Program