251 | River catchment management plans : brief for consultants |
252 | Herbarium Image: Galium palustre |
253 | Herbarium Image: Ceratophyllum demersum |
254 | Newby Beck Mitigation Sub-Catchment Monthly Grab Samples |
255 | Herbarium Image: Paris quadrifolia |
256 | Herbarium Image: Filipendula ulmaria |
257 | Algal blooms in the Lower Tees- Perspectives and prospects
|
258 | Herbarium Image: Potamogeton gramineus |
259 | Herbarium Image: Lycopodium clavatum |
260 | Herbarium Image: Nasturtium x sterile |
261 | Herbarium Image: Saxifraga tridactylites |
262 | Herbarium Image: Lemanea sp. |
263 | Seminar on water pollution control : presentations |
264 | Pow Beck Outlet monthly grab samples |
265 | Herbarium Image: Potamogeton obtusifolius |
266 | Acidification of freshwaters: the threat and its mitigation |
267 | Herbarium Image: Carex binervis |
268 | Herbarium Image: Pinus sylvestris |
269 | Water colour and humic charge 1st interim report
|
270 | National marine baseline survey 1995 : survey design and objectives |
271 | National Rivers Authority annual report and accounts 1994/95 |
272 | Statement on public consultation for the Dove CMP : July 1995 |
273 | Discharge consents : monitoring and compliance in 1994 |
274 | Pow Beck Automatic Weather Station |
275 | Herbarium Image: Iris pseudacorus |