VOL. XVII. (l) 



GEOLOGICAL INFORMATION 



53 



GEOLOGICAL INFORMATION OBTAINED DURING 

 THE CONSTRUCTION OF THE HATHERLEY 

 AND ARLE SEWERS AT CHELTENHAM 



BY 

 L. RICHARDSON 



(Read January i8th, 1910) 



During the past few years the Cheltenham Corporation 

 has laid two extensive sewers to its sewage-farm at Haydon. 

 The one runs from the sewage-tank near Dean Close School, 

 and the other from that near the Electric Light Works. 



FiG.i — Map (i inch = i mile) to show the courses of the sewers. 



A sketch-map is given to show the courses of these sewers 

 (text-fig. i). Geologically, the sewers are in the Lower Lias, 

 except for a space of about half-a-mile immediately to the west 

 of the Electric Light Works, where the Arle Sewer is in sand 

 (Superficial Deposits). The following fossils were collected at 



