My. Hail’s Models of the Peak in Derbyshire. 113 
of its Limestone tract, he should have added, if there be 
any truth in his Secéion crossing Castleton. 
Fortunately for truth and Geological Science, there has 
long resided in Castleton, a plain unletiered individual, Mr. 
Elias Hall. vho has examined more than half of the Peak 
Limestone district at its northern end, andsome ot its borders, 
with even more attention to minutia and accuracy than 1 
could attempt; and Mr. H’s Models, which Mr. B. might 
either have seen at Castleton or in Town (as noticed in my 
Ist letter) distincily show this fault, and Mr. H. could, 
and would have been, and will to future inquirers be ready 
on the spot, to show the complete disagreement of this Sec- 
tion of Mr. Bakewell with the facts in Castleton. 
IT mention here with great pleasure, to the credit of Mr. 
Hall, and as a willing tribute to candour and truth, that he 
did not blindly adopt any statement of mine, as to the faults 
or the ranges of the four Limestone and three Toadstone 
Strata of the Peak: but wrote me word in December last, 
that he could not trace my great Limestone Fault from 
Castleton further S than Windmill-houses (Rep. 1. 289 
and 290), and that so much of this course as lay between 
Pindale and Windmill-houses, showed a much Jess degree 
of derangement than [ had assigned to it, for he found Ist 
Limestone on each side of it: and that he could obtain no 
proofs, that the clayey chert rubble on the eastern part of 
Tideswell Moor, &c. (Rep. i. 141), concealed the bassets of 
the Ist and 2d Toadstones, in their ranges E across this 
Moor, &c. to the great Fault between Windmill-houses and 
Litton, whose existence he could not discover (as already: 
mentioned), but that 1st Lime appeared to occupy all this 
district. : 
On the receipt of this information, I went carefully again 
through my travelling Notes, made when on this part of 
my Survey in July 1808, and pointed out in a Letter to 
Mr. 1. that I had adopted the parts of my Map between 
Castleton and Litton to which he now objected, under a 
choice of difficulties, in great part arising, from his know- 
Jedge, at that time, on the surface or in the Mines beneath, 
of only one Toadstone, across the north-west part of Tides- 
well Moor, and thence northward ; requesting, that he would 
now more particularly inquire into all these facts, above 
and below ground. After some weeks spent in this in- 
vestigation, Mr. H. sent me a long letter, accompanied by 
a sketch Map, showing the range of the 3d Toadstone, not 
greatly different to what I had laid down, except including 
Vol. 42, No. 184, August 1813. H my 
