Maksimovic, S. D.

Building seals by pneumatic stowing in mine closure operations by Slavoljub D. Maksimovic and John C. Draper - [Avondale, Md.] U.S. Dept. of the Interior, Bureau of Mines [1982] - ii, 23 p. ill. 28 cm. - Report of investigations 8729 .


Mine filling
Stone, Crushed
Compressed air

622 s