292 



Clara Gould Mark 



Bellerophon percarinatus Conrad 



Euphemus carbonarius (Cox) 



Euphemus nodocarinatus Hall 



Bucanopsis montfortiana Norwood and Pratten 



Pleurotomaria sp. 



Orthoceras sp. 



Crinoid segments and plates. 



Stonehouse Hollow. Another section was taken in Stonehouse 

 Hollow, on the opposite side of Jonathan creek and a mile north- 

 west of Hough's Hollow, where the highway crosses the creek. 



26. 



25. 



24. 



23. 



22. 

 21. 

 20. 



19. 

 18. 

 17. 

 16. 



15. 



Homewood sandstone. Thin bedded, gray, micaceous 

 sandstone and shale. 



Massive, coarse-grained buff or gray quartz sand- 

 stone. On the east side of the ravine a 12-foot 

 ledge of this sandstone is shown with traces of coal 

 and fire clay at the base (Tionesta coal?). About 

 six feet from the base of this ledge is a fossil trunk 

 of a tree 14 feet long. Base of Homewood sand- 

 stone. 



Thin light colored micaceous sandy shales, rather 

 coarse. 



Iron ore horizon. One large nodule fallen from the 

 bank measured two feet long, one foot wide, and 

 one foot thick. 



Thin gray calcareous shale with fossils. 



Mercer limestone, with iron ore at the top. 



Bituminous black shale with a four-inch layer of 

 coal about the middle. 



Light gray fire clay. 



Thin gray sandy shale. i 



Covered interval. ' 



Heavy, compact fine grained sandstone, very light | 

 gray on fresh fracture, weathers buff or dark 

 brown; shown on side of ravine. (Upper Massil- 

 lon sandstone?) | 



Covered interval. I 



THICKNESS 



Feet 

 10 ± 



12 



3i 



TOTAL 

 THICKNESS 



Feet 



1471 

 137# 



