River pollution survey of England and Wales, updated 1975 river quality and discharges of sewage and industrial effluents
River pollution survey of England and Wales, updated 1975 river quality and discharges of sewage and industrial effluents
Department of the Environment and the Welsh Office
- London H. M. S. O. 1978
- 60p. forms, col. maps 31cm
Booklet (vii,59p. : Sd), 10 fold. sheets ( 10 sides)
0117510203
Water--Pollution--England
Booklet (vii,59p. : Sd), 10 fold. sheets ( 10 sides)
0117510203
Water--Pollution--England
