IQO ARTESIAN WELLS IN DORSET AND ELSEWHERE. 



A summary of the general character of the borehole may be 

 gathered from Figure i, but the details of the beds above the 

 Chalk, 2 Soft, in all, are of interest as showing the development 

 of the Tertiaries in this immediate district. These details are 

 based upon a series of samples carefully collected and arranged 

 by the foreman of the works. 



DETAILS OF THE BEDS ABOVE THE CHALK. 

 SUPERFICIAL. 



Thickness. Depth. 

 Ft. In. Ft. In. 



Soil . . . . . . . i o 



*i. Marly Clay .. .. .. 20 



2. Grave!. Plateau-gravel with yellow flints 1 1 o 



14 o 



BAGSHOTS. 



3. Sand with loam lands. Coarse, yellowish 



sand of uniform sized grain invested 

 with ferric oxide. The "loam bands" 

 consist of fine white powdery loam . . 20 o 34 o 

 4.. Coloured clay and sand. Fine sediments, 



mostly discoloured and clayey . . i o o 44 o 



5. Brown sand. Loose sugary sand . . 40 48 o 



6. Light grey sand . . . . . . 30510 



7. Loose grey sand. Sharp quartzose, clean 70 58 o 



8. Coloured sandy clay. Whitish clay, slightly 



stained with iron ; sets hard . . 40 620 



9. Coarse sand. Loose, yellowish, coarse 



quartzose sand with small fragments of 

 soft white silica, and one or two largish [water level 85] 

 pebbles of lignite (See No. 17) . . 29 o 910 



10. Coloured clay and sand. "Two-ball" 



pipeclay . . . . . . 60970 



* The italics represent the descriptions of the foreman of the works, 



