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Author : F. Michael Jenkins,Elaine T. Cullen
Publisher : Unknown
Page : 28 pages
File Size : 44,6 Mb
Release : 1990
Category : Longwall mining
ISBN : UOM:39015078458299
Author : Welby G. Courtney
Publisher : Unknown
Page : 622 pages
File Size : 46,6 Mb
Release : 1990
Category : Coal-cutting bits
ISBN : STANFORD:36105110634768
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 28 pages
File Size : 50,8 Mb
Release : 1990
Category : Mine safety
ISBN : MINN:31951D01851607Q
Author : Anonim
Publisher : Unknown
Page : 406 pages
File Size : 51,7 Mb
Release : 1990
Category : Mines and mineral resources
ISBN : UOM:39015022349768
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 226 pages
File Size : 49,7 Mb
Release : 1992
Category : Mineral industries
ISBN : IND:30000065660668
Author : Anonim
Publisher : Unknown
Page : 982 pages
File Size : 45,9 Mb
Release : 1992
Category : Government publications
ISBN : UIUC:30112063914714
Author : Anonim
Publisher : Unknown
Page : 1570 pages
File Size : 43,8 Mb
Release : 1974
Category : Government publications
ISBN : STANFORD:36105006329010
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 182 pages
File Size : 44,6 Mb
Release : 1992
Category : Fuel
ISBN : UOM:39015095154186
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 104 pages
File Size : 51,5 Mb
Release : 1980
Category : Mineral industries
ISBN : UOM:39015026572324
Author : Safety and Health Technology Center (Denver, Colo.). Informational Service Library
Publisher : Unknown
Page : 226 pages
File Size : 52,8 Mb
Release : 1990
Category : Mine safety
ISBN : IND:30000124428743
Author : Paul C. McWilliams,Douglas R. Tesarik
Publisher : Unknown
Page : 854 pages
File Size : 41,8 Mb
Release : 1978
Category : Electronic
ISBN : STANFORD:36105019659155
Author : James J. Olson,Sathit Tandanand
Publisher : Unknown
Page : 212 pages
File Size : 48,8 Mb
Release : 1977
Category : Coal-mining machinery
ISBN : UOM:39015078453845
Author : Melvin E. Poad,Galen G. Waddell,Earl L. Phillips
Publisher : Unknown
Page : 38 pages
File Size : 54,9 Mb
Release : 1977
Category : Coal mines and mining
ISBN : UOM:39015078483032
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 desribes 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.
Author : Anonim
Publisher : Unknown
Page : 48 pages
File Size : 41,7 Mb
Release : 1990
Category : Mineral industries
ISBN : MINN:30000010637670
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 336 pages
File Size : 42,6 Mb
Release : 1980
Category : Energy policy
ISBN : UCR:31210024859884
