66 TATE: THE YORKSHIRE BOULDER COMMITTEE. 
pebble bed, at a height of about 180 feet above the level of 
not succeeded, so far, in finding any foreign stones in them, though 
_ 
ice-action. They nearly all consist of grit and sandstone. 
Accompanying this report is a one-inch sheet on which all 
localities are indicated. 
Reported by Mr. HENRY WHITEHEAD, Littleborough. 
BLACKSTONE EDGE. 
Borrowdale Volcanic ash... Gs: 4. ee 
Reported by Mr, THOMAS SALTONSTALL, Zodnorden. 
MYTHOLMROYD.—Alt. 300 ft. = 
Herewith I send specimens of a large collection of glacial 
boulders extending from the viaduct, by Stocks, along Nest Lane 
and Roger Gate to Little Stubb, Stubb Clough (400’), and Stubb 
Bridge ; covering an area two-thirds of a mile long and a quarter 
a mile broad, as shown on the accompanying 6 in. Ordnance Sheet, 
No. 230. 4 
[The specimens sent indicate the erratics usually found in the 
Calder valley: Buttermere granophyre, Eskdale granite, Old rhyolite 
Borrowdale andesites, etc., besides some local rocks.—T. T-] 4 
The contour of the valley here is noteworthy ; at Hebden Bridge 4 
above, and at Breerley below, the valley is considerably narrowet, 8° — 
that the accumulation appears to lie in a basin. ‘There are othet 
gravel-beds one hundred feet above the present river-bed, but they 
' contain no foreign rocks, at least I have not seen any. j 
Reported by Mr. Joun Burton, Horbury. 
Battye Forp.—Alt. 153 ft, :— - 
The London and North-Western Railway Co. are constructing 
some arches forming a viaduct across the Calder valley, but : 
digging all the foundations except one they have only dug down os 
the boulders and laid the broad foundation-stones immediately upon | 
it, and therefore thrown nothing out to view but soil and san@— 
Close to the river, on the north side, they have dug a deep founda 
tion of large dimensions for a massive block of a pillar to rest upO 
which has to bear one end of the iron girder which is to span the : 
Naturalis 
