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Title: Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000
Author: Environment Agency
Document Type: Monograph
Annotation: EA additional title info: drawings
This Environment Agency document is a map of the Biological river quality of 1993-95 according to the general quality (GQA) scheme. It shows river and canal quality ranging from bad to very good quality.
Publisher: Environment Agency
Publication Date: [after 1996]
Publication Place: Bristol
Subject Keywords: RiversCanalsWater qualityChemical compositionMaps
Geographic Keywords: EnglandWales
Extent: n.p. [1]
Total file downloads: 310

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