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 showed the 
following beds : — 
ft. 
Soil 1 
Sand and Gravel 5 
Marl 15 
Sand 35 
Marl 13 
Sand 10 
Marl 3 
Hard Sand 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 0 
Sand 1 0 
Marl 10 0 
Dry Sand 13 6 
Marl 10 6 
Quick Sand 33 0 
Gravel 1 0 
Marl 1 0 
Quick Sand 9 0 
Marl 21 0 
Quick Sand 1 6 
Marl 3 0 
Dry Sand 5 0 
Marl 5 6 
Sand 71 0 
187 0 
