Dear list member You may be interested in some of the following document, e.g. vol 4 http://ec.europa.eu/environment/soil/index.htm Dr Michael Rivett School of Geography, Earth & Environmental Sciences University of Birmingham, Birmingham, B15 2TT, UK Tel. +44 (0)121 414 3957 Fax. +44 (0)121 414 4942 email: [log in to unmask] website: http://www.gees.bham.ac.uk/