Maryland Geological Survey 535 



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Brown arenaceous shale 2628 6.9 2416 



Brown sandstone heavy bedded near top, thinner bedded 

 below. Dip 90° W 2621 9.9 2409 



Arenaceous brown shale, a thin bed of green sandstone 

 at the top. Some interbedded green shale 2611 17.8 2399 



Arenaceous green shale. Near top of unit occur Spirifer 

 disjunctus abundant, Cypricardella gregaria var., Schizodus 

 oherni, Trochonema (Oyronema) sp 2593 14.8 2381 



Road N. 89° W. 



Grayish-brown sandstone. Dip 88° W 2578 18 2367 



Fissile green shale with thin bed of brown sandstone and 

 a heavy bed of brown sandstone near middle. Near top of 

 the unit occur Spirifer disjunctus, Leptodesma agassizi ?. . 2558 19 2349 



Grayish-brown sandstone and some interbedded shale con- 

 taining at 2508 horizontally (2307 vertically) Douvillina 

 cayuta, Spirifer disjunctus, Leptodesma medon common, 

 L. sp. About 2320 vertically are found Schuchertella che- 

 mungensis, Spirifer disjunctus, S. (Delthyris) mesacos- 

 talis, Cypricardella cumberlatidiw 2536 25.4 2330 



Grayish-green and brown shale and some thin beds of 

 brown sandstone. Dip 70° W 2506 36.5 2305 



Concealed 2463 43.7 2268 



Green and red shale. Some brown sandstone in beds 

 6 inches thick. About 2215 vertically occur Atrypa 

 spinosa, Leptodesma medon abundant, L. sp 2413 113.6 2224 



Red and green shale and red sandstone. At 2277 hori- 

 zontally occurs Leptodesma sp. At top occur Douvillina 

 cayuta. Spirifer (Delthyris) mesacostalis 2283 34.8 2111 



Brown and green shale, carrying at top Amioccelia um- 

 bofiata abundant, Chonetes scitulus abundant, C. oakland- 

 ensis abundant, Douvillina cayuta abundant, Schuchertella 

 chemungensis, Schizophoria striatula var. marylandica, 

 Leptodesma sp 2243 



Brown sandstone 



Brown and green shale 



Brown sandstone 



Brown and green fissile shale 



Thin-bedded brown sandstone 



Fissile green shale 2207 



Massive conglomeratic sandstone. Lower beds gray 

 and brown. Upper beds massive, brown 2192 17 2031 



6.2 



2076 



6.3 



2070 



9 



2063 



1 



20.54 



6.3 



2053 



2.7 



2047 



13 



2044 



