Maryland Geological Survey 449 



'S. 



PI 



<c5 



11.1 



1425 



9 



1414 



9 



1405 



7.5 



1396 



3 



1388 



6.5 



1385 



40 



1379 



24 



1339 



15 



1315 



15 



1300 



34 



1285 



15 



1251 



23 



1236 



39 



1213 



25 



1174 



ffi -2 bir .a 



Smooth red shale 2433 



Rough green shale 2419 



Brown shale and sandstone 2407 



Massive brown fine-grained sandstone 2396 



Splintery brown shale 2385 



Brown shale and sandstone showing spheroidal weather- 

 ing. Dip 54° E 2381 



Fissile brown shale and bands of brown sandstone 2373 



Fissile green shale 2308 



Concealed. Dip 38° E. Whistle post 2268 



Fissile green shale and bands of green sandstone 2243 



Fissile brown shale 2223 



Concealed 2178 



Road N. 60° W. 



Fissile brown shale 2158 



Fissile brown and green shale 2128 



Rough green shale 2078 



Rough brown shale. At top a band of sandstone 4 inches 

 thick carrying Liorhynchus globuliforme abundant, Pro- 



ductella speciosa, Spirifer mucronatus var. posterus 2046 8 1149 



Rough brown shale, narrow band of sandstone at top 

 carries Spirifer mucronatus var. posterus, and Bucanopsis 



mcera var. abundant 2036 19 1141 



Green hackly shale and sandstone. At top occur Cyrtina 

 hamiltoneiisis common, Liorhynchus olobuliforme abundant, 

 Productella speciosa abundant, Spirifer mucronatus var. 



posterus 2011 



Concealed 2028 



Massive hard grayish-green sandstone 2003 



Concealed. Dip 52° E 1998 



Red shale 1980 



Fissile brown shale. At top in a band of sandstone 

 about 8 inches thick occur Liorhynchus globuliforyne, 

 Schizophoria striatula, Spirifer mucronatus y&T. posterus. . 1950 37 1057 

 Olive-green fissile shale and occasional bands of green or 



brown flaggy sandstone. Dip 48° E 1900 85 1020 



Concealed along both railroad tracks and National 



Road 1785 81 935 



Olive-green shale with bands of green and brown flaggy 



sandstone 1675 59 853 



29 



6 



1122 



19 



1116 



4 



1097 



14 



1093 



22 



1079 



