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The Application of Boring Machines to the Production of Steeply Pitching Anthracite Coal.

Authors
Anonymous
Source
For Reference Only At Bureau Libraries :21 pages
Link
NIOSHTIC No.
10001585
Abstract
An evaluation was made of raise boring and augering machines for use in development and production in steeply pitching anthracite. This report concludes that raise boring and augering have potential for reducing costs in both development and production.
Publication Date
19750101
Document Type
CP; Final Contract Report;
Fiscal Year
1975
NTIS Accession No.
NTIS Price
Identifying No.
OFR 89-75
NIOSH Division
WO;
Source Name
For Reference Only At Bureau Libraries
Performing Organization
James H. Cobbs Engineering
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