Conference Proceedings
Annual Conference, Newcastle
Conference Proceedings
Annual Conference, Newcastle
Raise Drilling in Australian Coal Measures
A Robbins Raise Drill Model 61R was used to provide one 7' diameter shaft 1050' deep in Clutha Development's exploratory mine at Blackwater in Central Queensland and two 7' diameter shafts 1450' deep at their South Clifton mine on the Illawarra Coast of New South Wales.
Contributor(s):
J W Brown, R J Fraser
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- Published: 1971
- PDF Size: 0.495 Mb.
- Unique ID: P197202025