Full -PDF- Dewatering Active Underground Coal Mines Read Download

Language: en
Pages: 92

Authors: Robert D. Schmidt

Categories: Coal mines and mining

Type: BOOK - Published: 1985 - Publisher:

Language: en
Pages: 144

Authors: W.A. Wahler and Associates

Categories: Coal mines and mining

Type: BOOK - Published: 1979 - Publisher:

Language: en
Pages: 80

Authors: Noel N. Moebs

Categories: Coal mines and mining

Type: BOOK - Published: 1985 - Publisher:

Language: en
Pages: 592

Authors:

Categories: Mines and mineral resources

Type: BOOK - Published: 1984 - Publisher:

Language: en
Pages: 144

Authors:

Categories:

Type: BOOK - Published: 1979 - Publisher:

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