Information Circular 8747: Moving Longwall Shield Supports at the York Canyon Coal Mine, Raton, N. Mex.
Public Domain
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1977/01/01
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Series: Mining Publications
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Description:The Bureau of Mines and Kaiser Steel Corp. are cooperatively demonstrating the shield-type roof support in the longwall mining of a 10-1/2 foot-thick coalbed at the York Canyon Mine near Raton, New Mexico. As part of the demonstration, the shield supports have been successfully and safely moved from a completed longwall face to a new longwall face. When these shield supports were moved in 1976 they were the largest and heaviest longwall support system in use in U.S. coal mines. The shield supports, preparations for moving them, the actual move, and installation at the new face are discussed. [Description provided by NIOSH]
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Pages in Document:25 pdf pages
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Contributor:Eikin, Harry H. ; Morgan, Thomas A.
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NIOSHTIC Number:nn:10001565
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NTIS Accession Number:PB-271888
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Citation:NTIS: PB 271 888; :1-19
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Federal Fiscal Year:1977
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Peer Reviewed:False
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Main Document Checksum:urn:sha-512:e009d2487827f2fa53921b8637b60d5a21a4c93c22475417e9a14e174e5a61d38c6d9e57b94a7d04125711588fede95abbc626b5cad49a97b01c637f32b98277
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