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Single-entry Development for Longwall Mining - Research Approach and Results At Sunnyside No. 2 Mine, Carbon County, Utah.

Authors
Poad-ME; Waddell-GG; Phillips-EL
Source
NTIS: PB 275 002 :29 pages
Link
NIOSHTIC No.
10000985
Abstract
This Bureau of Mines report presents two phases of a research program to evaluate a single-entry system for longwall development. Organizations participating in the program, which began in July 1971, include the Bureau of Mines, the Mining Enforcement and Safety Administration, and the University of Utah, working under a cooperative agreement with Kaiser Steel Corp. at its Sunnyside Mine in Utah. Part 1 of this report describes the present longwall mining practice, including a brief history, and discusses the advantages and disadvantages of a single-entry development system and its introduction in the United States. Part 2 of the report presents the research program, test design, instrumentation for ground and support evaluation, and the test results from the No. 2 Mine. Subsequent reports will describe the research conducted in the No. 1 Mine.
Publication Date
19770101
Document Type
IH; Report of Investigations
Fiscal Year
1977
NTIS Accession No.
PB-275002
NTIS Price
A03
Identifying No.
RI 8252
NIOSH Division
SRC;
Source Name
NTIS: PB 275 002
State
UT;
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