Overview
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History and Methods
Production Overview
Retreat Mining
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Thick Seam Mining
Glossary
Australian Longwalls
NSW
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Overview
Shearer
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Chock Supports
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Advancement
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Face Conveyor
Twin In-board chains
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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
Double line of Square Pillars
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Effective Width
Subsidence
Sub-Critical
Critical
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Ventilation
Overview
Systems
R System
R System for gassy goafs
Z System
Homotropal System
Antitropal
Dust Control
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
UOW
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Bord and Pillar
University of Wollongong Home
International Longwall News
Aachen Technical University, Germany
Department of Mineral Resources
NIOSH
Coal Services NSW
History of Illawarra Coal
Joy Mining Machinery
DBT Mining
Spontaneous Combustion
...Coming Soon
