Zobrazeno 1 - 3
of 3
pro vyhledávání: '"M. A. Trevits"'
Autor:
K. K. Cohen, M. A. Trevits
Publikováno v:
Journal American Society of Mining and Reclamation. 1994:19-28
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83b7c2df15064639ad5ce9315090b367
https://doi.org/10.21000/jasmr94040019
https://doi.org/10.21000/jasmr94040019
Publikováno v:
Symposium on the Application of Geophysics to Engineering and Environmental Problems 1995.
This study used several seismic techniques to aid different phases of a subsidence investigation at an abandoned coal mine subsidence site in a community located in the anthracite fields of eastern Pennsylvania. Two surface collapse features, each ab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4043122f86a0b493060b393d6b78e68c
https://doi.org/10.4133/1.2922138
https://doi.org/10.4133/1.2922138
Coalbed gas drainage from the surface in advance of mining has long been the goal of researchers in mine safety. Bureau of Mines efforts to achieve this goal started about 1965 with the initiation of an applied research program designed to test drill
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c742602670a65ecf7e8733af76eb7c71
https://doi.org/10.2172/5329923
https://doi.org/10.2172/5329923
