160 
WILLIAM SMITH : HIS MAPS AND MEMOIRS 
To enable him to give further details respecting the Coal Measures . 
that Section is repeated, as under : — 
Pontefract Rock but little used in building. 
c Ackworth Rock a soft Grit Freestone and Grindstones, 
Kirby Mexborough and Denaby 
d 
e Chevet Rock . 
f 
; thin Rock of little use. 
g Red Rock a course Grit Rock, in some places 
loose Sand. Large blocks at Wolley- 
edge Newmillar-dam, etc. 
h 
i Bradgate Rock .a fine grained Grit Freestone and 
Grindstones, some blue cutting Stone. 
k Course of the Shell Ironstone. 
1 Wortley Rock . . a Grit Stone in thin beds, used in 
building. 
F agstone Grit Rock, with argillaceous partings, 
some more micaceous, cleaving into 
flags and roofing Slate. 
Below the border is the familiar announcement : — 
" Note. — The numbers attached to the description of each Stratum 
refer to the Geological Table of British Organised Fossils, which may- 
be had of the Publisher, Price Is. 6d." 
The plates used for these county maps were apparently sub- 
sequently obtained from Gary by Messrs. Crutchley, and that firm's 
sixpenny county maps for many years contained the lines and legends 
of Smith's maps. 
1819. 
" A Reduction of Smith's large Geological Map of England and 
Wales, exhibiting a general View of the Stratification of the Country ; 
intended as an Elementary Map for those commencing the study of 
Geology."* 
The above is given among the list of Publications by Smith, on 
pages 148-9 of Phillips's " Memoirs." It is also referred to by Judd. 
* See Phillips's Memoirs, p. 148. 
