WILLIAM SMITH : HIS MAPS AND MEMOIRS 
143 
The Section passes through Worcester and Oxford. The beds are 
named as well as numbered, and in some instances are continued into 
the hills in the distance. Over the Welsh mountains is the word 
MO UN TAINS " ; after the Severn Valley is " COAL TRACT," 
then the MARL VALES ( Vale of Severn) ; the "STONEBRASH 
hills;' clay vales {Vale o/ his, Vale of Aylesbury), 
''CHALK HILLS," and ''PLAINS" {Vale of Thames). 
Under the Mountainous area is written ' 'MI NERAL BIS TI N C- 
TIONS. Mines and Minerals are all within this Part of the Series ^ 
chiefly in the Limestone beneath the Coal and in the Central Part of the 
Killas — Iron-ivorks in the Coal Tract. Under " Coal Measures " : — 
More than 20 Veins of Coal are discovered and ivorhed in different 
Parts of the Coal Tract." Under " Red Marl and Sandstone " : — 
*' Gypsum, Salt Rock and Brine Springs." Under " Blue Marl " : — 
" The hot Waters of Bath rise to the Surface through this Stratum. Chel- 
tenham and other Mineral Springs in its Course." Beneath the Section 
between Oxford and London : — The light and dry soils of the Chalk 
and Stonebrash Hills are chiefly appropriated to Sheep and Corn Farms 
and the heavy Soils of the Plains, Clay Vales, and Marl Vales, to Dairies 
and Grazing." 
Below the border is the imprint : — " London : Published by 
J. Cary, Mapseller, No. 181, Strand, July 15th, 1817."* 
The next Chart (No. 3), was issued in 1819, and measures 36 inches 
by lOf inches. It contains two sections, viz., " GEOLOGICAL VIEW 
AND SECTION OF NORFOLK" and GEOLOGICAL VIEW AND 
SECTION THROUGH SUFFOLK TO ELY." 
The first begins at Lynn on the west, and cuts through E. Dereham, 
Norwich and Loddon to Yarmouth, and the positions of the river beds 
are shown. Beneath Lynn is written CLA Y VALES. MARS H- 
LAND." Beneath W. Lexham " 0 L Z fl'/LL^. Flock District," 
and towards the east end of the Section " PLAINS. Interspersed with 
Marshes." 
* This particular section is reproduced to illustrate an article by 
Dr. Fitton, "Notes on the History of English Geology," in The 
Philosophical Magazine for January 1833. The accompanying figure 
(Plate XIV., fig. 1) is taken from that reproduction. 
