Overview
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History and Methods
Production Overview
Retreat Mining
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Glossary
Australian Longwalls
NSW
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Chock Supports
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Advancement
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Pantechnicon
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Communications
Environmental
Ground Control
Overview
Abutment Pressures
Optimal Mining Direction
Support Capacity
Gateroad Support
Chain Pillar Design
Diamond Shaped
Single line of Square Pillars
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Effective Width
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Ventilation
Overview
Systems
R System
R System for gassy goafs
Z System
Homotropal System
Antitropal
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Auxiliary Ventilation
Gas Drainage
Spontaneous Combustion
Face Transfer
Overview
Critical Path
Bolt up cycle
Photos
Recovery
Huesker System
Installation
Heading Development
Punch Longwall
Overview
Links
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University of Wollongong Home
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Aachen Technical University, Germany
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NIOSH
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History of Illawarra Coal
Joy Mining Machinery
DBT Mining
Longwall Changeout Critical Path
