1 | River water quality in the Midlands 1997 |
2 | River water quality in the Midlands 1998 |
3 | Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996 |
4 | The Swale, Ure and Ouse catchment (river factfiles) |
5 | NRA guidance on the acceptable leachable values for contaminated material to be deposited in Upper Tame catchment |