5601 | Herbarium Image: Callitriche obtusangula |
5602 | A brief history of the River Stour navigation : 1705 to the present day |
5603 | Guide to the Medway navigation 1994 |
5604 | Harbour of Rye |
5605 | Herbarium Image: Ludwigia palustris |
5606 | Narrowboats on the Thames : useful hints and tips |
5607 | NRA navigation strategy |
5608 | Locks and weirs on the river Thames : how do they work? |
5609 | Catchment drainage studies and flood plain identification : Cockshaw/Halgut Burn at Hexham : section 105 - C30/92 surveys |
5610 | Bristol Avon Area fishery survey : Byde Mill Brook |
5611 | Herbarium Image: Potamogeton alpinus |
5612 | Eel and elver studies in the Severn : interim report (256/6/ST) |
5613 | The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish |
5614 | Upper Nene structures : Elton : detailed appraisal report |
5615 | Upper Nene structures : Stanwick : detailed appraisal report |
5616 | Weir on River Rhone |
5617 | Fishery survey of the Bridgwater and Taunton Canal |
5618 | Herbarium Image: Amsinckia sp. |
5619 | Herbarium Image: Astragalus danicus |
5620 | Herbarium Image: Cerastium arvense |
5621 | Herbarium Image: Cochlearia micacea |
5622 | Herbarium Image: Festuca rubra |
5623 | Herbarium Image: Festuca vivipara |
5624 | Herbarium Image: Festuca altissima |
5625 | Herbarium Image: Festuca altissima |