64 PROCEEDINGS OF THE COTTESWOLD CLUB 



spread of Upper Lias to the Vale of Naunton, and 

 the faulted ground at Harford Bridge and Harford 

 Hill, and over the Lias to Bourton-on-the-Water. A large 

 system of rectangular Faults occur north and south of 

 the extended Naunton Valley Fault, and from the equally 

 disturbed ground at Stow-on-the-Wold and Upper Swell, 

 from the divide between the Dickler and the Evenlode 

 issues the large addition of water drained by the Dickler 

 over the Lower Lias, and meeting at New Bridge, west of 

 Rissington, half-a-mile below Dodd's Mill. A tributary 

 which rises in the Inferior Oolite at Under Camp Farm, 

 north of Farmington, passes over the Lias by Sherborne, 

 to the village of Windrush and Little Barrington to 

 Burford. 



The head springs at Donnington, Upper Slaughter, 

 Eyeford, and Bourton-on-the-Water deliver to the lower 

 part of the Windrush at Bourton nearly 20,000,000 

 gallons of water daily. 



The collected waters of the Windrush and the Dickler, 

 after a wnnding and intricate course from Cutsdean, Temple 

 Guiting, Guiting Power, and Naunton to Bourton-on-the- 

 Water, supply the large Mills above Burford, and pass 

 to Witney, finally entering the Thames at New Bridge. 



Springs rise in the Inferior Oolite near Stow-on-lhe- 

 Wold at an elevation of 700 — 800 feet, and they supply 

 both the basin of the Dickler and Evenlode. 



The Bampton District 

 between the river leach and the windrush 



This area is drained directly from the Oxford Clay into 

 the Thames bv the Broadwell Brook, the Langhat Ditch, 

 Spill Brook, and numerous small streams. 



This extensive district between the Leach and the 

 Windrush contains al)Out 66 square miles, is conspicuous 



