1877.] O-iO [Ashburner. 



197. Argillaceous sand containing plates of coal 4" 



196. Gray sandstone containing between the strata a great 



deal of loose sand lo' 



195. Gray sandstone containing nodules of pyrites and 



plates of coal in the upper portion of the mass 26' 



194. Coal very much broken up. (Seam No. 16) 1" 



193. Sandstone containing nodules of iron pyrites 2 '6" 



192. Coal ^Seam No. 15) ; brilliant histre, rhombohedral 



fracture, resembling bituminous coal 1" 



191. Sandy fireclay 6" 



190. Coal (Seam No. 14) 1" 



189. Sandstone with thin partings of coal in the lower por- 

 tion 4' 



188. Sandstone 9' 



187. Fireclay 1" 



186. Shaly sandstone 34' 



185. Coal (Seam No. 13) 1" 



184. Alternating shaly and massive, gray sandstone 6' 



183. Poor bony coal (Seam No. 12) 3" 



182. Shaly sandstone 6' 



181. Coal (^Seam No. 11) ; very much broken up and asso- 

 ciated with red sand 1" 



180. Shaly sandstone 4' 



179. Coal (Seam No. 10) maximum thickness 6 inches 3" 



178. Shaly sandstone 2' 



177. Coal (Seam No. 9) : 1" 



176. Shaly sandstone 1 ' 



175. Coal with sandstone above and below (Seam No. 8) 1" 



174. Gray sandstone 36' 



173. Steel gray shale of a greasy lustre 8" 



172. Coal (Seam No. 7) 1" 



171. Fire clay 1" 



170. Sandstone 5' 



169. Coal (Seam No. 6) 1" 



168. Sandstone 10" 



167. Coal (Seam No. 5) resembling very much specimens 



from Montgomery County, Virginia 2" 



166. Soft sandstone 5" 



165. Coal (Seam No. 4) 2" 



164. Sandstone containing loose brown, argillaceous sand. . 14' 

 163. Loose sand shale, surfaces coated with acicular crys- 

 tals of sulphate of alumina formed by the decomposition of 



pyrites 3' 



162. Coal; very much broken up by false bedding and con- 

 taining a great deal of iron pyrites (Seam No. 3) 2" 



161. Massive, gray sandstone having a rhombohedral frac- 

 ture and containing specks of slate and ferruginous matter 28' 



