378 On the intended Thames ArchiVay 



Ft. In. Ft. In. 



At 295 feet, Green sand 3 7 



Gravel 3 



Blue muddy shale ...... 1 2 



5 



At 31 7 feet, Green sand 3 5 



Gravel o 4 



Blue muddy shale ...... 1 3 



5 



At 321 feet, Green sand 3 3 



Gravel O 4 



Blue muddy shale ..... 1 5 



5 



At 333 feet, Green sand 3 3 



Gravel 4 



Blue muddy shale 1 5 



5 



At 350 feet, Green sand 2 8 



Gravel 4 



Blue muddy shale 2 O 



5 



At 493 feet, the green sand ends. 



At 730 feet, Hard calcareous rock, mixed 



with loamy sand 5 



At 799 feet, Hard rock 5 



At 858 feet, Ditto 5 



At 901 feet, Ditto 5 



At 931 feet, Rock, with a little sand 

 and shells, and water in 



the roof 5 O 



At 945 feet, Hard rock 2 6 



Clay -and shells 2 6 



r 5 



At 966 feet, Rock 3 



Clay 4 



Shells 2 



Clay 1 



Cockle shells 4 



Clavs and shells 1 



Sand 2 



Clay 6 



Sand 5 



6 



At 972 feet, Clav and shells 4 



Sand 1 



5 



At 



