428 REMARKS ON THE COAL DISTRICT 
stretches out, in a South-Easterly direction, along 
the valley of the river Irwell, for about seven 
miles, from Ringley to Manchester. 
The Western side of this red sandstone promon- 
tory of the valley of the Irwell, is bounded by 
the rocks of the coal formation, which are sup- 
posed to be thrown down, below the red sand- 
stone, by a fault of 1000 yards of downcast to 
the North-East: but the Eastern side of the pro- 
montory is little known, being generally concealed 
by the sand and gravel beds, which frequently 
overlie the sandstone rocks, on both sides of the 
valley of the Irwell. 
Between Ringley and Clifton, the fault, on 
the Western side of the red rock promontory, 
is visible, as it crosses the bed of the river Irwell, 
and its direction is North-West by West in that 
locality. 
South of Clifton, red sandstone may be traced 
on the bed of the river Irwell, near Kersal Moor, 
Castle Irwell, and under the bridges between 
Manchester and Salford. On the Eastern side 
of Manchester, coal is found at Bradford, and the 
red sandstone rock occurs again to the East of 
