Soil metals data 1998 [Countryside Survey] - Black, H.I.J.; Chaplow, J.S.; Ainsworth, G.; Coward, P.A.; Creamer, R.; Ellwood, S.; Horne, J.; Hornung, M.; Kennedy, V.H.; Monson, F.; Raine, L.; Osborn, D.; et al. (NERC Environmental Information Data Centre, 2016)