Summary of combustion products from mine materials : their relevance to mine fire detection /
by Margaret R. Egan.
- Pgh. [i.e. Pittsburgh] PA : United States Dept. of the Interior, Bureau of Mines, 1990.
- 12 p. : ill. ; 28 cm.
- Information circular ; 9272 .
- Information circular (United States. Bureau of Mines) ; 9272. .