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Longwall Recovery Utilizing the Open Entry Method and Various Cement- concrete Supports.

Authors
Bauer-ER; Listak-JM; Berdine-M; Et Al
Source
Proceeds 7th International Conf on Ground Control in Mining West Virginia Univ PP 30-42 :30-42
Link
NIOSHTIC No.
10010807
Abstract
During 1987 and 1988, the Eighty Four Complex Mine of Bethenergy Mines, Inc., used the open entry longwall recovery method to recover one partial and three complete longwall faces. Various cement- concrete supports were utilized to support the open recovery entry until the approaching longwall face cut into this entry. This recovery method and the supports used were studied by the mine personnel and the U.S. Bureau of Mines. This paper discusses the findings, results and conclusions of that study.
Publication Date
19880101
Document Type
OP;
Fiscal Year
1988
NTIS Accession No.
NTIS Price
Identifying No.
OP 192-91
NIOSH Division
PRC;
Source Name
Proceeds 7th International Conf. on Ground Control in Mining, WV Univ., PP. 30-42
State
WV;
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