sentences:  This made recommendations on the conversion of Ordnance Survey maps from paper to computer form, making more Government data available, Grid referencing and Postcode referencing of data, measures to promote the use of computerised Geographic Information Systems (GIS) and investment required in training and research and development.A patron of the British Mountaineering Council, Chorley was further a member of the Top Salaries Review Body from 1981 to 1991, of the Ordnance Survey Advisory Board from 1982 to 1985, and of the Natural Environment Research Council 1988 to 1994.Between 1987 and 1990, he was President of the Royal Geographical Society.