413 resultados para Salt mines and mining
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."
Resumo:
Includes bibliographical references.
Resumo:
Also verso t.p.: 1894.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Not issued consecutively.
Resumo:
"Period of performance: September, l968- December, 1973."
Resumo:
"IMSRP-IV."
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Mode of access: Internet.
Resumo:
"April 1953, [site issuance date]."
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Fiscal year coverage, 1971-1975; calendar year coverage, 1976-1980.
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Mode of access: Internet.
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Mode of access: Internet.
Resumo:
"April 1963."