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Use of Steel Sets in Underground Coal.

Authors
Stears-JH; Serbousek-MO; Hay-KE
Source
MISSING :16 pages
Link
NIOSHTIC No.
10004257
Abstract
This Bureau of Mines report presents information on the use of steel supports in U.S. coal mines, including accident statistics for a 3- yr period and a survey of present applications and problems. It also contains a summary of available steel arch configurations and a description of steel support design criteria for ground control applications.
Publication Date
19840101
Document Type
IH; Information Circular;
Fiscal Year
1984
NTIS Accession No.
NTIS Price
Identifying No.
IC 8992
NIOSH Division
SRC;
Source Name
MISSING
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