Storage of explosives in underground mines of the Lake Superior District.
- Creator Personal:
- Cash, Frank E. (Frank Errette)
- Title:
- Storage of explosives in underground mines of the Lake Superior District.
- Call Number:
- P19467
- Date:
- 1946
- Description:
Serial issue. Issued as: United States. Bureau of Mines. Information circular, 7343 (1946:Feb.).
- Subject Topical:
- Iron mines and mining--Wisconsin., Iron mines and mining--Michigan., Mine explosives., Iron mines and mining--Minnesota.