Items where Centre is "British Geological Survey (BGS)" and Year is 1971

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Loudon, T.V.. 1971 Some geological data structures: arrays, networks, trees and forests. In: Cutbill, J.L., (ed.) Data processing in biology and geology : proceedings of a symposium held at the Department of Geology, University of Cambridge, 24-26 September, 1969. London, UK, Systematics Association for Academic Press, 135-145, 11pp. (Systematics Association Special Volume, 3).

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Nickless, E.F.P.. 1971 The sand and gravel resources of the country south-east of Norwich, Norfolk : description of 1:25,000 resource sheet TG 20. London, UK, British Geological Survey, 101pp. (Assesment of British Sand and Gravel Resources No. 1, Report 71/20) (Unpublished)

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Wright, E.P.. 1971 Visit to Ethiopia 12 to 30 April 1971. Institute of Geological Sciences, 11pp. (WD/WD/71/009) (Unpublished)