| 51 | A report on the River Chew at Chewton Mendip, 6th August 1992 |
|---|
| 52 | Swords water quality study - phase 1 : water quality of the Thames |
|---|
| 53 | Fisheries of the middle and lower Wylye and factors affecting their performance |
|---|
| 54 | The drought of 1988-1992 in Anglia : a review |
|---|
| 55 | Summary of monitoring activities on the blackwater estuary |
|---|
| 56 | A survey of trace metals in biota of the Mersey estuary 1993 |
|---|
| 57 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
|---|
| 58 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
|---|
| 59 | A second stage evaluation of the Grant YSI3815 Water Logger |
|---|
| 60 | A survey of ferruginous minewater impacts in the Welsh coalfields |
|---|
| 61 | A survey of ferruginous minewater impacts in the Welsh coalfields |
|---|
| 62 | The quality of rivers and estuaries in Northumbria region 1990 |
|---|
| 63 | An assessment of water quality in the River Yarty catchment |
|---|
| 64 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
|---|
| 65 | Tamar Lakes project 2001 : initial assessment of nutrient data to identify pollution sources, assess the effect of Tamar Lakes on the downstream water quality and to recommend future monitoring requirements |
|---|
| 66 | Assessment of the water quality before, during and post commissioning of the interim Falmouth sewage treatment scheme - Report No. TWQ/98/02- September 1998 |
|---|
| 67 | Assessment of the water quality before, during and post commissioning of the interim Falmouth sewage treatment scheme - Report No. TWQ/98/01- May 1998 |
|---|
| 68 | A macroinvertebrate survey of the Releath stream and associated tributaries within the vicinity of Trevethan Farm : final draft report - Water Quality section, Cornwall area |
|---|
| 69 | Hope Cove : non-compliance in 1998 with the European Community bathing water directive (76/160/EEC) |
|---|
| 70 | River Meavy salmon and sea trout populations : assessment of the impact of flows |
|---|
| 71 | National marine baseline survey 1995 : littoral cell 7 : Lands End to the Severn Estuary |
|---|
| 72 | Distribution of Macroinvertebrates in English and Welsh Rivers based on the 1995 Survey |
|---|
| 73 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
|---|
| 74 | National marine baseline survey 1995 : littoral cell 11 : Great Orme to the Solway Firth |
|---|
| 75 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
|---|
