851 | The River Dee catchment management plan : consultation report : June 1994 |
852 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
853 | National Rivers Authority summary annual report and accounts, 1991/92 |
854 | Policy and practice for the protection of groundwater |
855 | Dove Action Plan : March 2000 |
856 | Herbarium Image: Elodea sp. |
857 | Herbarium Image: Calamagostris canescens |
858 | Herbarium Image: Calamagostris canescens |
859 | Herbarium Image: Carex echinata |
860 | Herbarium Image: Carex nigra |
861 | Herbarium Image: Myriophyllum alterniflorum |
862 | Herbarium Image: Najas flexilis |
863 | Herbarium Image: Alnus incana |
864 | Herbarium Image: Sparganium erectum |
865 | Herbarium Image: Elodea sp. |
866 | Herbarium Image: Elodea sp. |
867 | Herbarium Image: Elodea canadensis |
868 | Herbarium Image: Elodea canadensis |
869 | Herbarium Image: Elodea canadensis |
870 | Herbarium Image: Elodea canadensis |
871 | Herbarium Image: Elodea canadensis |
872 | Herbarium Image: Elodea canadensis and Elodea sp. |
873 | Herbarium Image: Elodea sp. |
874 | Herbarium Image: Elodea sp. |
875 | Herbarium Image: Elodea callitrichoides |