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51River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region)
52A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997)
53An investigation of ecological change in the rivers Kennet and Lambourn. April 2001 - March 2002
54Biological report of the 1991 coastal and estuarine survey from Crosby to Glasson
55Survey of physical characteristics of salmon spawning riffles in the river North Tyne
56National sea defence survey phase IVA : volume 8 : topographic drawings of the River Swale
57Appraisal of nature conservation and recreation improvement measures at the Environment Agency's estates
58River corridor strategic overview feasibility study : a report to the National Rivers Authority
59Assessment of radioactive discharge screening levels for biota protected under the habitats regulations : April 2002
60Macrophyte status of the Rivers Test and Itchen - Hampshire : summary report - October 1998
61River Avon, Bath : aesthetic study of riverbanks through the urban area of Bath : final report
62The investigation of phytoplankton dynamics in coastal waters using aerial surveillance case study 3
63Correspondence Relating to the Seismic Surveys of Lake District Water Bodies undertaken by Prof. Gerald Sargent in 1983 and 1987
64River Stour (2), Sudbury : report of a river corridor survey carried out for the National Rivers Authority, Anglian region
65River Lemon corridor survey : a report prepared by Ecologue for the National Rivers Authority (South West Region)
66Thames estuary benthic programme : a site by site report on the results of macroinvertebrate surveys undertaken during 1990-91
67Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report [external version]
68Letter of confirmation of geophysical surveys made in conjunction between Professor G.E.G. Sargent and the FBA 1983-1987
69River Bovey and Bovey minor tributaries corridor survey : October-November 1990 : a report prepared for the National Rivers Authority (South West Region)