Michael J Sapko | Bookhype

May 31, 2010

Cover of Recommendations for a New Rock Dusting Standard to Prevent Coal Dust Explosions in Intake Airways

Recommendations for a New Rock Dusting Standard to Prevent Coal Dust Explosions in Intake Airways

Sep 30, 2009

Cover of Results of In-Mine Research in Support of the Investigation of the Sago Mine Explosion

Results of In-Mine Research in Support of the Investigation of the Sago Mine Explosion

Aug 31, 2009

Cover of Compendium of Structural Testing Data for 20-psi Coal Mine Seals

Compendium of Structural Testing Data for 20-psi Coal Mine Seals

May 31, 2008

Cover of Performance of a Polyurethane Core Seal Tested in a Hydrostatic Chamber

Performance of a Polyurethane Core Seal Tested in a Hydrostatic Chamber

Dec 31, 2002

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

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