| 3251 | Ceraclea dissimilis larva, |
|---|
| 3252 | Setodes argentipunctellus larva, |
|---|
| 3253 | Diagnostic Drawing: Laminariales, |
|---|
| 3254 | Adult Glossosomatid spurs |
|---|
| 3255 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
|---|
| 3256 | Ceraclea dissimilis case, |
|---|
| 3257 | Aire LEAP draft environmental overview : September 1998 |
|---|
| 3258 | Contribution of small streams to potential fish production in the Conwy catchment |
|---|
| 3259 | NRA strategy for reducing the concentration of pesticides in controlled waters |
|---|
| 3260 | Investigation into upstream failures at Puddington Sewage Treatment Works |
|---|
| 3261 | Annual review of fisheries : 1st April 1990 - 31st March 1991 |
|---|
| 3262 | Devon area tide table 2004 : Lynmouth, Ilfracombe, Bideford, Plymouth (Devonport), Salcombe, Dartmouth, Torquay, Teignmouth (Shaldon Bridge), Exmouth Dock, Lyme Regis |
|---|
| 3263 | Fertiliser application dates: AC0116, Devon, 2013 |
|---|
| 3264 | Audit of priority species of rivers and wetlands : Black Bog in South Hampshire and the Isle of Wight |
|---|
| 3265 | Dee stock assessment programme : annual report 1993 |
|---|
| 3266 | Kingsteignton flood plan : public information leaflet |
|---|
| 3267 | Classification of estuary quality |
|---|
| 3268 | Low-cost modifications of the Crump weir to improve fish passage |
|---|
| 3269 | Welsh Regional plan summary 1991/92 (bilingual) : Rhanbarth Cymru crynodeb cynllun 1991/92 |
|---|
| 3270 | The NEA International FEP Database and its Use in Support of Regulatory Review |
|---|
| 3271 | A review of the industrial uses of continuous monitoring systems : metals industry processes |
|---|
| 3272 | Diagnostic Drawing: Cyanobacteria - unicellular and colonial, |
|---|
| 3273 | Diagnostic Drawing: Charophyceae, |
|---|
| 3274 | Paraleptophlebia submarginata |
|---|
| 3275 | Enhancing the River Tamar |
|---|
