190 



The Draining of the Fens 



Fig. 50. 



Tidal Curves for the Great Ouse Outfall. 



Reproduced by the courtesy of the Chief Engineer of the River 

 Great Ouse Catchment Board. 



6am 7 8 9 10 1 1 IJ \pml 3 4 5 6 7 8 9 10 1 1 



Time 



Fig. 51. 



Tidal Curves for the Great Ouse Outfall. 



Reproduced by the courtesy of the Chief Engineer of the River 

 Great Ouse Catchment Board. 



