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Abstract
The Colliery Planning System (C.P.S.) is a medium- to long-term planning aid written in APL and running on a Superbrain microcomputer. It was developed by and has been used extensively within the Operational Research Executive (O.R.E.) of the National Coal Board and has been in routine use by planning staff in one of the N.C.B.'s Areas for over two years. This paper discusses the Colliery Planning System and outlines the problems it has been necessary to overcome to achieve implementation.