OXFORD SEWAGE-FARM, AT SANDFORD-0N-THAMB8. 



317 



Vertical Sections. 



Pig. 5. — Railway -cutting 

 near Littlemore. 



Two well- 

 -defined Clay 

 beds. 



j ^-^sr ' Coneretion- 

 -^ — —f^ ary Lime- 

 stone 



Sand. 



1878. 



Fis. 



ft in. 

 1 3 



2 3 



1 

 6 

 6 

 6 



2 



6. — Quarry on Sewage- 

 farm. 



Fig. 8.— Trial-hole 

 No. 1. 



Soil with Pebbles. 

 Contorted MarL 



Marl Eubble. 



Marl. 



Clayey Sand. 

 Limestone with Fossils. 

 ■•■Sand. 



Limestone with Fossils. 



Sand. 



1878. 



Fiff. 7 .—Trial-hole No. 3. 



Soil. 



Clay. 

 ^Sl " Oyster " Bed, 

 Brown Earth." 

 '^M\ " Black Earth." 

 ="-^^-2?! ^^^^ Rubble. 



Marly Clay. 



-•»t»vym l Blue Stone. 



Marly Clay. 



-^^^=5^ Bottom of Hole. 



\^:i==^ -\ 1877. 



ft. in. , 

 1 o] 



2 





Black Soil with 

 Pottery. 



Sand. 



Concretionary 

 Limestone. 



'and. 



1877. 



Fig. 9.— Trial-hole 



No. 2. 



Limestone with 

 Fossils. 



Fig. 10. — Trial-hole 

 No. 4. 



ft. in. 



6 



1 



1 



1 



Soil. 

 Clay. 

 Peat. 

 G-ravel*. 



Sand. 



* Detritus of Marl (small Oy- 

 ster- shells). 



Scale B in- *^o 1 foot. 



