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U.S. Department of Energy
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Ventilation at the anthracite collieries of the northern Pennsylvania field

Technical Report ·
OSTI ID:7320597
Ventilation methods and practices at anthracite collieries in Northern field of anthracite measures of Pennsylvania are described.
Research Organization:
Bureau of Mines, Washington, DC (USA)
OSTI ID:
7320597
Report Number(s):
BM-IC-6995
Country of Publication:
United States
Language:
English