Room and pillar retreat mining. A manual for the coal industry : Kaufman, P W; Hawkins, S A; Thompson, R R US Bureau of Mines report IC 8849, 1981, 228P

Abstract

This publication is designed to provide mine engineers and production-level mine managers with information to assist them in making the decision to retreat mine and in selecting the best retreat mining technique for specific mining conditions, information on mine planning that will enable them to design mine layouts for safe and efficient retreat mining and information that will enable them to develop a section foreman's handbook. 87 refs.