Discussion of 'The Welton Formation (Chalk Group) at Speeton, NE England; implications-for the late Cretaceous evolution of the Market Weighton Structure' - Proceedings, Vol 53, part 1, pp. 17-24, 2000
Mg. Sumbler, Discussion of 'The Welton Formation (Chalk Group) at Speeton, NE England; implications-for the late Cretaceous evolution of the Market Weighton Structure' - Proceedings, Vol 53, part 1, pp. 17-24, 2000, P YORKS G S, 53, 2000, pp. 157-157