[PDF] Use Of Pulverized Rock As Dense Medium For Salvaging Coal From Pittsburgh Bed Refuse Full Read

Language: en
Pages: 42

Authors: Eugene Robert Palowitch

Categories: Coal

Type: BOOK - Published: 1955 - Publisher:

Language: en
Pages: 194

Authors:

Categories: Mineral industries

Type: BOOK - Published: 1957 - Publisher:

Language: en
Pages: 792

Authors: United States. Bureau of Mines. Technical Library, Pittsburgh

Categories: Library catalogs

Type: BOOK - Published: 1968 - Publisher:

Language: en
Pages: 34

Authors: Max Richard Geer

Categories: Coal

Type: BOOK - Published: 1962 - Publisher:

Language: en
Pages: 176

Authors:

Categories: Mines and mineral resources

Type: BOOK - Published: 1962 - Publisher: