Add to ORKG"Second in series of roof reports on roof movement in coal mines."Mode of access: Internet
Paper presented at Sixth International Conference of Directors of Mine Research, Paris, France, July...
"Report of the United States Bureau of Mines to the Pennsylvania State Anthracite Mine Cave Commiss...
Work done under cooperation with the Youngstown Mines Corp. and the Powellton Coal Co."February 1957...
"Third in series of reports on convergence of roof and floor in coal mines and resultant subsidence ...
"Third paper on groups of representative mines in Pittsburgh coal bed in Western Pennsylvania."Mode ...
Prepared for Bureau of Mines Coal Mine Health and Safety Program.Bibliography: p. 12.Mode of access:...
"Int. - Bu. of Mines, Pgh., Pa."--P. 15."March 1954."Includes bibliographical references.Mode of acc...
"October 2003."Includes bibliographical references (p. 31-32).Mode of access: Internet
Prepared for Bureau of Mines Health and Safety Research Program.Includes bibliographical references ...
"Reprinted 1991"--Cover.Includes bibliographical references (p. 48).Mode of access: Internet
"Reprinted from Easy lesson department of the Colliery engineer."Mode of access: Internet
"Interior-Bureau of Mines, Pittsburgh, Pa."--p. 8."August 1951."Includes bibliographical references....
"Int. - Bu. of Mines, Pgh., Pa."--p. 13."January 1954."Includes bibliographical references (p. 13).M...
"List of miners' circulars": p. 113-114.Includes bibliographical references (p. 111-113).Mode of acc...
"April 1954."Presented at the Eighth International Conference of the Directors of Safety in Mines Re...
Paper presented at Sixth International Conference of Directors of Mine Research, Paris, France, July...
"Report of the United States Bureau of Mines to the Pennsylvania State Anthracite Mine Cave Commiss...
Work done under cooperation with the Youngstown Mines Corp. and the Powellton Coal Co."February 1957...
"Third in series of reports on convergence of roof and floor in coal mines and resultant subsidence ...
"Third paper on groups of representative mines in Pittsburgh coal bed in Western Pennsylvania."Mode ...
Prepared for Bureau of Mines Coal Mine Health and Safety Program.Bibliography: p. 12.Mode of access:...
"Int. - Bu. of Mines, Pgh., Pa."--P. 15."March 1954."Includes bibliographical references.Mode of acc...
"October 2003."Includes bibliographical references (p. 31-32).Mode of access: Internet
Prepared for Bureau of Mines Health and Safety Research Program.Includes bibliographical references ...
"Reprinted 1991"--Cover.Includes bibliographical references (p. 48).Mode of access: Internet
"Reprinted from Easy lesson department of the Colliery engineer."Mode of access: Internet
"Interior-Bureau of Mines, Pittsburgh, Pa."--p. 8."August 1951."Includes bibliographical references....
"Int. - Bu. of Mines, Pgh., Pa."--p. 13."January 1954."Includes bibliographical references (p. 13).M...
"List of miners' circulars": p. 113-114.Includes bibliographical references (p. 111-113).Mode of acc...
"April 1954."Presented at the Eighth International Conference of the Directors of Safety in Mines Re...
Paper presented at Sixth International Conference of Directors of Mine Research, Paris, France, July...
"Report of the United States Bureau of Mines to the Pennsylvania State Anthracite Mine Cave Commiss...
Work done under cooperation with the Youngstown Mines Corp. and the Powellton Coal Co."February 1957...