(eBook/PDF) Inspection Standards For Bituminous Coal And Lignite Mines Online

Language: en
Pages: 62

Authors: United States. Bureau of Mines

Categories: Bituminous coal mines and mining

Type: BOOK - Published: 1945 - Publisher:

Language: en
Pages: 144

Authors: United States. Bureau of Mines

Categories: Coal mines and mining

Type: BOOK - Published: 1944 - Publisher:

Language: en
Pages: 112

Authors: United States. Bureau of Mines

Categories: Coal mines and mining

Type: BOOK - Published: 1946 - Publisher:

Language: en
Pages: 37

Authors: Alva Britt Hooker

Categories: Bituminous coal mines and mining

Type: BOOK - Published: 1939 - Publisher:

Language: en
Pages: 60

Authors: United States. Bureau of Mines

Categories: Bituminous coal industry

Type: BOOK - Published: 1943 - Publisher:

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