[PDF] Evaluation Of A Penetrometer For Estimating Roof Bolt Anchorage Full Read

Language: en
Pages: 32

Authors: Juel H. Stears

Categories: Mine roof bolting

Type: BOOK - Published: 1965 - Publisher:

Language: en
Pages: 450

Authors: United States. Bureau of Mines

Categories: Mineral industries

Type: BOOK - Published: 1970 - Publisher:

Language: en
Pages: 542

Authors:

Categories: Mineral industries

Type: BOOK - Published: 1963 - Publisher:

Language: en
Pages: 866

Authors:

Categories: Mines and mineral resources

Type: BOOK - Published: 1966 - Publisher:

Language: en
Pages: 40

Authors: United States. Bureau of Mines

Categories: Coal mines and mining

Type: BOOK - Published: 1966 - Publisher: