144 



Junction are passed, the cuttings expose sand and gravel 



through Boarshaw, Three Gates, Thornham, and Blue Pits, 



to Rochdale. 



At Boarshaw, about a quarter of a mile to the east of the 



line, a bore made at an elevation of 450 feet shov^ed the 



following beds : — 



ft. 



Soil 1 



Sand and Gravel 5 



Marl 15 



Sand 35 



Marl 13 



Sand 10 



Marl 3 



HardSand 161 



243 



At Three Gates in Thornham, about half a mile north of 

 the last bore, at an elevation of 460 feet, the drift was as 

 follows : 



ft. in. 



Soil 1 



Sand 1 



Marl 10 



Dry Sand 13 6 



Marl 10 6 



Quick Sand 33 



Gravel 1 



Marl 1 



Quick Sand 9 



Marl 21 



Quick Sand 1 6 



Marl 3 



Dry Sand 5 



Marl 5 6 



Sand 71 



187 



