Evaluation of reinforced cementitious seals

Publisher:

Pittsburgh, Pa. : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory, [1999]

Phys. Desc.:

ii, 35 pages : digital, PDF file

Electronic resource

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Evaluation of polymer construction material and water trap designs for underground coal mine seals

Publisher:

[Pittsburgh, Pa.?] : U.S. Dept. of Energy, Pittsburgh Research Center, [1996]

Phys. Desc.:

16 pages : digital, PDF file

Electronic resource

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Secondary explosion hazards during blasting in oil shale and sulfide ore mines

Publisher:

Pittsburgh, PA : U.S. Dept. of Energy, Pittsburgh Research Center : [1995]

Phys. Desc.:

iii, 55 pages : digital, PDF file

Electronic resource

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Strengthening existing 20-psi mine ventilation seals with carbon fiber-reinforced polymer reinforcement

Publisher:

[Pittsburgh, Pa.?] : Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory [2008]

Phys. Desc.:

1 online resource (38 pages)

Electronic resource

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Evaluation of explosion-resistant seals, stoppings, and overcast for ventilation control in underground coal mining

Publisher:

Pittsburgh, Pa. : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory, [2002]

Phys. Desc.:

iii, 48 pages : digital, PDF file

Electronic resource

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