1526 | Quarterly review : Southern region 1990/91 |
1527 | Chrysochromulina parva |
1528 | The evaluation of Grant/YSU 3800 water quality monitor |
1529 | Thames environment design handbook |
1530 | River Tavy catchment river water quality classification 1990 |
1531 | Herbarium Image: Tolypella nidifica |
1532 | River Tamar catchment management plan : draft consultation report : 1st draft internal consultation, Cornwall area catchment planning |
1533 | Herbarium Image: Baldellia ranunculoides |
1534 | River Camel : catchment action plan |
1535 | Development and testing of suspended solids algorithms : case study 2 |
1536 | Ceraclea dissimilis larva, |
1537 | Freshwater Tamar catchment management plan : first annual review : April 1996 to March 1997 |
1538 | A report on the 1992 strategic stock assessment survey of the upper Dewent catchment and the River Marron with particular reference to salmonids |
1539 | Pond Survey 1996. Stage 1 - Scoping Study |
1540 | Herbarium Image: Saxifraga oppositifolia |
1541 | Regional plan : Southern region 1993/94 |
1542 | Bacterial quality of the bathing waters at Seaton, Cornwall, and of the River Seaton |
1543 | Best Available Techniques For The Control Of Pollution In Inorganic Chemical Processes - Appendix |
1544 | Chlamydomonas, |
1545 | Dendrocoelum lacteum, |
1546 | North Wessex Gauging Stations Pooling Group review : main report |
1547 | Biodiversity and habitat regulations |
1548 | HIDDEN-DP-SamplinginWindermere-001.tif |
1549 | Chew Magna : reducing the risk of flooding |
1550 | Revenue budget 1991/92 : summary |