Respirable dust generation
Subtitle: comparison of continuous and conventional mining methods when excavating rock in coal mines
By: by John A. Organiscak.
Series: Report of investigations (United States. Bureau of Mines) -- 9233.
Publisher: Dept. of the Interior
Published: 1989
Place of publication: Washington, DC
Language: eng
Subjects: Mine dusts.; Coal mines and mining -- Dust control.
Notes:  88600436  t_oclc

Bibliogr.

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