1 | A report on the 1992 strategic stock assessment survey of the upper Dewent catchment and the River Marron with particular reference to salmonids |
2 | A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids |
3 | A report on the strategic stock assessment survey of the River Esk catchment 1994 with particular reference to salmonids |