DISTRIBUTION. 



169 



17. Section of the Forest-of-Dean Coal-field.* 



Upper Woorgreens 



Lower Woorgreens 



Crow Delf 



Little Delf 



Lowery Delf 



Starkey Delf 



Churchway High Delf 



No Coal 



Brazilly Seam 



Yorkley Seam 



Wittington Seam 

 Coleford 



Trenchards 



Iron Ore 



Mountain Limestone 



These seams are worked at the Trafalgar Pit, whence were obtained 

 from the horizon of a plant-bed, Anthraeomya Phillipsii, A. Ixvis ?, 

 and a small Carbonicola too fragmentary for identification. 



* From a paper by Mr. H. D. Hoskold, ' Proc. Cotteswold Nat. Field Club,' vol. x, p. 123, 1891. 



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