[PDF] e-Book The Method Of Underground Mining Of Iron Ore In The District Of Krivoy Rog Full Read

Language: en
Pages: 70

Authors: A. K. Bouldovsky

Categories: Iron mines and mining

Type: BOOK - Published: 1930 - Publisher:

Language: en
Pages: 48

Authors: A. K. Bouldovsky

Categories: Iron ore

Type: BOOK - Published: 1930 - Publisher:

Language: en
Pages: 938

Authors:

Categories: Mines and mineral resources

Type: BOOK - Published: 1935 - Publisher:

Language: en
Pages: 100

Authors: Charles H. Johnson

Categories: Stoping (Mining)

Type: BOOK - Published: 1933 - Publisher:

Language: en
Pages: 1252

Authors:

Categories: Mines and mineral resources

Type: BOOK - Published: 1934 - Publisher: