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Par Collection Par Auteur- HEY, R. D. (1)
- GARRAD, P. N. (1)
- 1989 (1)
- mineralogy, identified by X-ray diffraction. This indicates that higher proportions of bank derived sediment are present in suspension in the waterway during the summer months, due primarily to bank erosion by motor craft. Dated sediment cores show how
- 1989