366 MINERAL BASON IN WALES. 



Enumeration IB. 3 Ceet, Dowlais little vein, at Penywain. 



•f the strata. ]\j m ine yet found in the division between 15 and 1G. 



16. 4 feet vein between Cwm Mpin and Penywain. 



No mine of consequence occurs between. 16 and 17. 



17. 3 feet Cwm Moin vein. Between 17 and 18 the fol- 

 lowing occur in succession as here set down. 



3 inches yellow vein. 



3 ditto Pin Brith. 



4 ditto the black vein. 

 4 ditto the yellow vein. 



4 ditto the jack vein. 



2 ditto the Gurthean vein. 



5 ditto the Gurthean Clase Vawr. 



5 ditto the Gurthean Clase, or blue vein. 



1 ditto upper black pin. 



2 ditto lower black piu. 

 4 ditto the big vein. 



3 ditto Gurthean Spinkin. 



4 ditto Gurthean Vawr gona. 



2 ditto Gurthean Knappe. 



3 ditto Piu Garw. 



IS. Smoot and fire clay. Between 18 and 19 are 

 4| inches lower black vein. 



4 ditto black balls. 



1 ditto upper inch vein. 



1 ditto lower inch vein. 



2 ditto upper 2 inch vein and 2 inches lower 2 inch vein. 



2 ditto irregular balls. 



3 ditto best pin. 



19. Course of very hard rock, 3 feet. 



VII. On 



