Conference Proceedings
Support in Pillar Extraction, Illawarra
Conference Proceedings
Support in Pillar Extraction, Illawarra
Roof Support of Square Pillar Extraction Systems
General design of pillars to ensure a continuing roof support during ex- traction is discussed. Practical problems associated with pillar extraction are Outlined.
Contributor(s):
C Harrison
-
SubscribeRoof Support of Square Pillar Extraction SystemsPDFThis product is exclusive to Digital library subscription
-
Add to cartRoof Support of Square Pillar Extraction SystemsPDFNormal price $22.00Member price from $0.00
Fees above are GST inclusive
PD Hours
Approved activity
- Published: 1973
- PDF Size: 0.402 Mb.
- Unique ID: P197401007