982 resultados para Mines and mining


Relevância:

100.00% 100.00%

Publicador:

Resumo:

"Appointed to inquire into the causes of the present dearness and scarcity of coal."

Relevância:

100.00% 100.00%

Publicador:

Resumo:

"Specially compiled and prepared for the convenient use of mine officials, mining engineers, and students preparing themselves for certificates of competency as mine inspectors or mine foremen."

Relevância:

100.00% 100.00%

Publicador:

Resumo:

"Report of the United States Bureau of Mines to the Pennsylvania State Anthracite Mine Cave Commission and review of the compressive strength of anthracite, bituminous coals and mine supports."

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Includes bibliographical references.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Also verso t.p.: 1894.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Mode of access: Internet.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Mode of access: Internet.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Mode of access: Internet.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Not issued consecutively.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

"Period of performance: September, l968- December, 1973."