Metal Stoppings Reduce Air Leakage
Tests at a Peabody Coal Co. underground mine in Illinois are showing promising results for a new type of metal stopping in squeezing-roof conditions.
J. C. Tien, "Metal Stoppings Reduce Air Leakage," Coal Age, Mining Media International, Jan 1981.
Mining and Nuclear Engineering
Article - Journal
© 1981 Mining Media International, All rights reserved.
01 Jan 1981