514 The Upper Devonian Deposits of Maryland 







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Road N. 65° W. Altitude ]2a9. Map altitude 1240 



Mostly concealed. Some fissile shale, bands of sandstone 7137 

 Second sharp turn around head of ravine. Mostly con 



cealed. N. 35° E. 14° E 



Shale breaking irregularly. Dip 20° E 6763 



Road N. 45° W. Map altitude 1220. Altitude 1183 



Splintery and hackly shale. About 10 feet vertical from 

 bottom a brown sandstone probably 10 feet thick. At the 

 top of this unit in argillaceous shale occur Ambocfrlia um- 

 bonata. Orammysia suharcitata. N. 6° E. 13° E. and N. 

 36° E. 20° E 6545 82 2503 



Road N. 60° E. Map altitude 1150. Altitude 1162 

 Largely splintery shale 6337 31 2421 



Road N. 60° E. Altitude 1155. Map altitude 1150 

 Concealed 6212 52 2390 



Road N. 50° W. Altitude 1148. Map altitude 1140 



Fissile shale and flaggy sandstone. Dip 23° E 6087 106 2338 



Fissile shale and flaggy sandstone 5858 47 2232 



Shale breaking irregularly and sandstone. At top Spiri- 



fer disjunctus, Productella lachrymosa. Dip 20° E 5744 26 2185 



Fissile green shale, massive sandstone near base. At top 



Spirifer (Delthyris) mesacostalis. N. 28° E. 18° E 5681 85 2159 



Road N. 85° E. Altitude 1099. Map altitude 1100 



Fissile green shale bands and sandstone 5536 20 2104 



Concealed 5484 68 2084 



Road N. 75° W. Altitude 1078. Map altitude 1090 



Fissile green shale with bands of sandstone. At top 

 in hackly green shale occur Spirifer disjiinctus, S. (Deltliy- 

 ris) mesacostalis, Productella sp. Dip 25° E 5328 137 2016 



Second-class road to southeast 30 feet from next turn. 



Road N. 11° E. Altitude 1056. Map altitude 1070 



Going down stratigraphically. Fissile green shale, bands 

 of sandstone. N. 25° E. 31° E 5047 32 1879 



