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Author : John Joseph Vincent Forbes,Clarence Watson Owings
Publisher : Unknown
Page : 46 pages
File Size : 53,7 Mb
Release : 1939
Category : Mine timbering
ISBN : UOM:39015077562281
Author : Robert G. Knutson
Publisher : Unknown
Page : 16 pages
File Size : 48,7 Mb
Release : 1970
Category : Mine timbering
ISBN : MINN:31951D02964025C
"Do coal mine operators use many mine timbers? What are the specifications for mine timbers? Does producing mine timbers differ from producing other sawmill products? These are typical of the questions that sawmill operators in the Appalachians ask about the mine-timber market. At first glance it seems strange that they would ask such questions. After all, the mine-timber market is a traditional outlet for wood products in the Appalachians, and it would seem that all sawmill operators in the region would be familiar with the market. But this is not the case. Sawmill operators, unless they sell mine timbers, know little about the market. Even those who sell mine timbers know little about the coal industry's current and potential need for mine timbers, because they generally supply only one or two mines. This report was prepared to answer some of the questions that sawmill operators have about the rnine-timber business in the Appalachian coal region. S3
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 92 pages
File Size : 41,6 Mb
Release : 1947
Category : Coal mine accidents
ISBN : UOM:39015077562620
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 112 pages
File Size : 50,5 Mb
Release : 1947
Category : Coal mine accidents
ISBN : UOM:39015077562570
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 124 pages
File Size : 52,6 Mb
Release : 1945
Category : Coal mine accidents
ISBN : UOM:39015077562497
Author : Robert Dewey Currie
Publisher : Unknown
Page : 28 pages
File Size : 51,8 Mb
Release : 1939
Category : Coal mines and mining
ISBN : UOM:39015077562265
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 48 pages
File Size : 47,7 Mb
Release : 1945
Category : Bituminous coal mines and mining
ISBN : UOM:39015077562240
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 96 pages
File Size : 43,5 Mb
Release : 1947
Category : Coal mine accidents
ISBN : UOM:39015077561218
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 116 pages
File Size : 47,8 Mb
Release : 1946
Category : Coal mine accidents
ISBN : UOM:39015077562232
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 64 pages
File Size : 54,7 Mb
Release : 1955
Category : Coal mine accidents
ISBN : UOM:39015077562489
Author : Anonim
Publisher : Unknown
Page : 146 pages
File Size : 55,5 Mb
Release : 1955
Category : Mineral industries
ISBN : UCAL:$B570676
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 96 pages
File Size : 52,9 Mb
Release : 1957
Category : Mines and mineral resources
ISBN : OSU:32435067592782
Author : James Washington Paul
Publisher : Unknown
Page : 36 pages
File Size : 45,6 Mb
Release : 1928
Category : Bituminous coal mines and mining
ISBN : UOM:39015077562190
On use of lumber to support mine roof.
Author : M. J. Ackerman,Joseph J. Wallace
Publisher : Unknown
Page : 32 pages
File Size : 44,6 Mb
Release : 1961
Category : Bituminous coal
ISBN : UOM:39015078461558
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 222 pages
File Size : 44,5 Mb
Release : 1949
Category : Mineral industries
ISBN : OSU:32435070749981