River pollution survey of England and Wales, updated 1973
Subtitle: river quality and discharges of sewage and industrial effluents
By: Department of the Environment [and] the Welsh Office.
Contributors: Great Britain. Welsh Office.
Publisher: H.M.S.O.
Published: 1975
Place of publication: London
Language: eng
Number of pages: 62
Subjects: Water -- Pollution -- England -- Statistics.; Water -- Pollution -- Wales -- Statistics.