Zobrazeno 1 - 1
of 1
pro vyhledávání: '"Ryan C. Stephan"'
Publikováno v:
Mining, Metallurgy & Exploration. 37:1899-1910
During the past 15 years, roof fall rates have fallen dramatically in US coal mines, particularly in regions where the roof is weakest. The remarkable reduction in the number of roof falls has been accomplished with more effective roof support system
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bbbace517ec7b930d0a52e6f393a221
https://doi.org/10.1007/s42461-020-00301-x
https://doi.org/10.1007/s42461-020-00301-x
