Presented at the Eighth International Conference of the Directors of Safety in Mines Research, Dortmund Germany, July 5-10, 1954.-- Contents p."April 1954."Mode of access: Internet
"Presents essentially paper read by senior author at international conference on mine safety researc...
"April 1954."Presented at the Eighth International Conference of the Directors of Safety in Mines Re...
"Reprinted from Easy lesson department of the Colliery engineer."Mode of access: Internet
"April 1954."Presented at the Eighth International Conference of the Directors of Safety in Mines Re...
"April 1954."Presented at the Eighth International Conference of the Directors of Safety in Mines Re...
"Interior - Bureau of Mines, Pittsburgh, Pa."--P. 12."June 1951."Mode of access: Internet
Presented at the Eighth International Conference of the Directors of Safety in Mines Research, Dortm...
Presented at the annual meeting of the American Institute of Mining and Metallurgical Engineers New ...
Transactions of the American institute of mining engineers, Bethlehem meeting, February 1906.Caption...
"Interior - Bureau of Mines, Pittsburgh, Pa."--p. 8."March 1951."Mode of access: Internet
"Int.-Bur. of Mines, Pgh., Pa. 8137"--P. 44."February 1957."Mode of access: Internet
Mode of access: Internet.With this are bound: The Joseph A. Holmes Safety Association and its awards...
[Reprinted from] Transactions of the American society of mining engineers.Mode of access: Internet
"April, 1922.""Presented before meeting of the Rocky Mountain Coal Mining Institute, Denver, Colo., ...
"Excerpt Minutes of proceedings of the Institution of civil engineers, vol. lxxiii, session 1882-83,...
"Presents essentially paper read by senior author at international conference on mine safety researc...
"April 1954."Presented at the Eighth International Conference of the Directors of Safety in Mines Re...
"Reprinted from Easy lesson department of the Colliery engineer."Mode of access: Internet
"April 1954."Presented at the Eighth International Conference of the Directors of Safety in Mines Re...
"April 1954."Presented at the Eighth International Conference of the Directors of Safety in Mines Re...
"Interior - Bureau of Mines, Pittsburgh, Pa."--P. 12."June 1951."Mode of access: Internet
Presented at the Eighth International Conference of the Directors of Safety in Mines Research, Dortm...
Presented at the annual meeting of the American Institute of Mining and Metallurgical Engineers New ...
Transactions of the American institute of mining engineers, Bethlehem meeting, February 1906.Caption...
"Interior - Bureau of Mines, Pittsburgh, Pa."--p. 8."March 1951."Mode of access: Internet
"Int.-Bur. of Mines, Pgh., Pa. 8137"--P. 44."February 1957."Mode of access: Internet
Mode of access: Internet.With this are bound: The Joseph A. Holmes Safety Association and its awards...
[Reprinted from] Transactions of the American society of mining engineers.Mode of access: Internet
"April, 1922.""Presented before meeting of the Rocky Mountain Coal Mining Institute, Denver, Colo., ...
"Excerpt Minutes of proceedings of the Institution of civil engineers, vol. lxxiii, session 1882-83,...
"Presents essentially paper read by senior author at international conference on mine safety researc...
"April 1954."Presented at the Eighth International Conference of the Directors of Safety in Mines Re...
"Reprinted from Easy lesson department of the Colliery engineer."Mode of access: Internet