ON THE CIRCULATION OF UNDERGROUND WATERS. 77 



Average daily quantity of Water pumped from Wells, 1868 to 1876. 



Operations in connexion with the Wells during the above period. 



Green Lane. — In 1868 a new well, 12 ft. X 9 ft., sunk 185 ft. In 1869 

 a bore-hole, 18" diameter, sunk in new well to 310 ft. below bottom. Engine 

 power not increased. 



Dudlow Lane. — Finished sinking well 186S. In 1870 a bore-hole, 18" 

 diameter, sunk to 196 ft. below bottom of well. Pumping stopped durin» 

 most of year 1872 and part of 1873. 



Tbo Green-Lane, Bootle, and Dudlow-Lane bore-holes are provided with 

 plugs, which are occasionally raised or lowered to regulate the depth of water 

 in the wells according to the speed at which the engines aro worked. 



Municipal Office, 

 Liverpool, May 9, 1877. 



G. F. Deacon, 

 Boro' and Water Engineer. 



Constituents of Water expressed in parts per 100,000, recalculated from the 

 Analyses quoted in H. Stephenson's Report of 1850. 



No. 2, Bootle, No. 1 Lodgment. January 30, 1850. 



Chlorine 2-777 



Sodium 1-894 



Magnesia 4-714 



Lime 7-627 



Sulphuric acid 2-781 



Silica -686 



Carbonic acid 9-649 



Organic matter, trace of potash, water 



of crystallization, and loss 4-014 



34-142 

 Hardness 25°-3 



