Submersion testing of coatings for sealing shale /
by Jack E. Fraley.
- [Washington] : U.S. Dept. of the Interior, Bureau of Mines , 1977.
- 20 p.
- Report of investigations ; 8215 .
- United States. Bureau of Mines. Report of investigations ; 8215. .
- Report of investigations (United States. Bureau of Mines) ; 8215 .