Guide to groundwater protection zones in England & Wales /
Keating, T.
Packman, M. J.
Great Britain.National Rivers Authority.
Southern Science Ltd.
London : HMSO,
1995.
At head of title: National Rivers Authority.
With: Appendix 2 on a folding page at the end.
"This guide was produced for the NRA by Southern Science Ltd."
At head of title: National Rivers Authority.
Groundwater ecology
Groundwater ecology