The sand & gravel resources of ... [the country south-east of] Norwich, Norfolk. Scale 1:25,000 / 
Mineral Assessment Unit.Institute of Geological Sciences.
[London] :  Institute of Geological Sciences, 
1971.
Base map: O.S. sh. TG 20.
Report no. 71/20.
With: The sand and gravel resources of the country south-east of Norwich ... [By] E.F.P. Nickless ... Natural Environment Research Council, Institute of Geological Sciences.