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Annual report of the Mining Division, fiscal year 1940

Technical Report ·
OSTI ID:7218238
Work done during the fiscal year is reported: Strategic-minerals examination, metal-mining methods, strategic-mineral projects, metal-mining research, nonmetal mining, coal mining, mine ventilation, and electrical-mechanical.
Research Organization:
Bureau of Mines, Washington, DC (USA)
OSTI ID:
7218238
Report Number(s):
BM-RI-3536
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
012000* -- Coal
Lignite
& Peat-- Mining
COAL MINES
ELECTRICAL EQUIPMENT
EQUIPMENT
MINES
MINING EQUIPMENT
NATIONAL ORGANIZATIONS
RESEARCH PROGRAMS
US BUREAU OF MINES
US ORGANIZATIONS
VENTILATION