[[margin]] 20 [[/margin]] 6653 - Bluff in Cedar Creek consists from bed of 
creek to top of 60' of Devonian limestone, Hackly, massive irregular at 
bottom but becoming 
platy at top, 12' below top Cystria 25' from top, loose were Spirifer like 
those at the base of the cliff in 
section [[strikethrough]] in Sec [/strikethrough]] 28. 
G. Arthur Cooper - Field notes, 1 966 
Transcribed and Reviewed by Digital Volunteers 
Extracted Nov-02-2015 11:09:05 
Smithsonian Institution Transcription Center, Smithsonian Institution Archives 
