Related Books
Language: en
Pages: 124
Pages: 124
Type: BOOK - Published: 1932 - Publisher:
Language: en
Pages: 166
Pages: 166
Type: BOOK - Published: 1912 - Publisher:
Language: en
Pages: 30
Pages: 30
Type: BOOK - Published: 1945 - Publisher:
Describes use of rotary drills to sink shafts at Arkansas bauxite mines. Standard oil-well rotary equipment is used, and the derricks are adapted from a type co
Language: en
Pages: 16
Pages: 16
Type: BOOK - Published: 1932 - Publisher:
Language: en
Pages: 60
Pages: 60
Type: BOOK - Published: 1960 - Publisher: