AKhburner.] '^-J'-' [Feb. 16, 



75. Same in character as No. 73, but with the sandstone pre- 

 dominating 60' 



74. Dark olive shale containing scams of shaly sandstone, 



stained bright red witli ferruginous matter 50' 



73. Olive, red and yellow shale 10' 



72. Gray sandstone with a few alternating beds of olive shale. 35' 

 71. Fine grained, greenish -gra\' sandstone, in seams from 4 

 to 6 inches thick, alternating with fine-grained, oli^e fissile 

 slate 65' 



Genrsee {Cadent Upper) Slate 325' 



70. Partly concealed. Olive slaty and shaly sandstone al- 

 ternating with brownish gray, flaggy sandstone and a few 

 beds of olive shale 100' 



G!). Light olive and greenish-gray argillaceous shale and 

 slate 75' 



68. Partly concealed. Probably same in character as No. 

 69 100' 



67. Dark olive, fissile slate with occasional seams of a bright 

 brown-colored sandstone, 2 to 4 inches thick 50' 



Hamilton ( Cadent) Shales 035' 



60. Partly concealed. Consisting for the most part of gray 

 sandstone flags and shales containing fossils as in No. 65, but 



not as abundant 250' 



65. Upper part, hard, massive greenish-gray and flaggy olive 

 sandstone, lower part light, olive, slaty sandstone. Surfaces 

 very much stained with iron. Contains : Aviculopecteii prin- 

 ceps, Chonetes mueronatus and coronata, Grammysia, Spirifer 

 granulifera and mwronatus, and TentacuUtes. Algce more 



particularly Spirophy ton randagalli 85' 



64. Partly concealed. Consisting for the most part of 

 massive, gray and flaggy sandstone alternating with beds of 



thinly laminated, fissile shale (fossiliferous) 200' 



63. Thin, gray, calcareous, flaggy sandstone, and seams of 

 greenish-gray, fragile sandstone alternating with gray and 

 dark olive shale 100' 



Marcellus (Cadenf Lower) Black Slate 875' 



62. Partly concealed. Composed principally of gray and 

 brown shale alternating with flaggy and slightly calcareous 

 sahdstone 200' 



61. Argillaceous gray, olive and brown shale very much 

 stained with iron and bituminous matter 200' 



60. Partly concealed. Consisting for the most part of 

 brown, gray and black argillaceous shale with occasional 

 scams of sandstone 171' 



