E. F. P. Nickless 1971. The sand and gravel resources of the country south-east of Norwich, Norfolk. Contributions by A. R. Clayton. Description of 1 : 25,000 resource sheet TG 20. Institute of Geological Sciences, Mineral Assessment Unit. Report No. 71/20. vi + 94 pp., 8 figs, map in pocket. H.M.S.O., London. Price £1.15.
B. M. F. · Geological Magazine · 1972
E. F. P. Nickless 1971. The sand and gravel resources of the country south-east of Norwich, Norfolk. Contributions by A. R. Clayton. Description of 1 : 25,000 resource sheet TG 20. Institute of Geological Sciences, Mineral Assessment Unit. Report No. 71/20. vi + 94 pp., 8 figs, map in pocket. H.M.S.O., London. Price £1.15. - Volume 109 Issue 5