Roof Support of Square Pillar Extraction Systems
- Organization:
- The Australasian Institute of Mining and Metallurgy
- Pages:
- 13
- File Size:
- 422 KB
- Publication Date:
- Jan 1, 1974
Abstract
General design of pillars to ensure a continuing roof support during ex- traction is discussed. Practical problems associated with pillar extraction are Outlined.
Citation
APA: (1974) Roof Support of Square Pillar Extraction Systems
MLA: Roof Support of Square Pillar Extraction Systems. The Australasian Institute of Mining and Metallurgy, 1974.