185 
The district near Chamber Hall lying betwixt Hartford 
and Park collieries is almost free from drift, and the 
Chamber Hall rock can be seen cropping out to the surface 
with very little cover upon it. 
The sinking at St. George’s Colliery may be a little 
to the east of Mr. Hull’s line of section, but the beds 
there are about the same as those which are met with 
in the brick-yards of Cheetham; and from the last-named 
place by Crumpsall Workhouse to Moston Colliery, leav- 
ing Mr. Wood’s section above Medlock Yale, and Mr. 
Walmsley’s at Failsworth to the east, thence by Bower 
Colliery, leaving Lymeditch to the east, up to Park 
sinking, leaving Middleton Junction and Hartford to 
the west, and Honeywell-lane to the east, are nearly upon 
his line. 
To me it appears that the drift beds found between 
Manchester and Oldham cannot well be classed under the 
triple division which Professor Hull has adopted, although 
it would doubtless simplify matters if it could be done. 
However that may be, we have nothing left but to take the 
deposits as we find them in sinkings and borings, which 
certainly are not always to be relied on, still they are better 
to trust to than leisurely walking over the ground and 
making ideal sections. 
The drift deposits are so variable, and our knowledge of 
them inland so limited, that at present any classification 
should be regarded as provisional, and the intercalation of 
beds of sand and gravel in the till, instead of two or more 
beds of till with the sands and gravels all packed between 
them, will probably be more convenient, as it will enable 
us to include the lower sand and gravel which, although 
often absent, is sometimes found under the till. 
In other districts numerous sinkings and borings in the 
drift are given for the purpose of showing the nature of 
the deposits, similar to what has been done between Man- 
