Kenneth L. Cashdollar

2 books

Evaluation of Explosion-resistant Seals, Stoppings, and Overcast for Ventilation Control in Underground Coal Mining by National Institute for Occupational Safe, Kenneth L. Cashdollar, Michael J. Sapko

Evaluation of Explosion-resistant Seals, Stoppings, and Overcast for Ventilation Control in Underground Coal Mining

National Institute for Occupational Safe, Kenneth L. Cashdollar, Michael J. Sapko

56 pages • paperback

nonfiction art technology medium-paced
Explosion Effects on Mine Ventilation Stoppings by Samuel P. Harteis P. E., Gary J. Shemon, Kenneth L. Cashdollar

Explosion Effects on Mine Ventilation Stoppings

Samuel P. Harteis P. E., Gary J. Shemon, Kenneth L. Cashdollar

118 pages • paperback

nonfiction health medium-paced