How mine workers can help to prevent mne explosions.

Creator Personal:
Harrington, D. (Daniel), 1878-
Title:
How mine workers can help to prevent mne explosions.
Call Number:
P19472
Date:
1940
Description:

Serial issue. Issued as: United States. Bureau of Mines. Information circular, 7138 (1940:Nov.).

Subject Topical:
Mine fires--United States., Coal mine accidents--United States., Mine explosions--United States.