Sealing openings in abandoned mines by pneumatic stowing
An edition of Sealing openings in abandoned mines by pneumatic stowing (1982)
By S. D. Maksimovic
Publish Date
1982
Publisher
U.S. Dept. of the Interior, Bureau of Mines
Language
eng
Pages
26
Description:
subjects: Compressed air, Crushed Stone, Gravel, Mine filling, Sand, Stone, Crushed