[[stamped]] 0844 [[/stamped]] 
August 18 
Section on east-facing bluff 
SE 1/4 NE 1/4 7-22N-20E, Mayes Co., OK. 
[[Image: diagram showing a cross section of soil]] 
G 1' sublithographic Is replete with Flexaria & Linopod. 
8" yellow Is. 
F 3-4 1/2' Dark shale, Chonetes, Buxteria, large Dictyoclostus 
E 10" - 15" Orthotetes, Brachythyria, Flexaria, Spiriferina 
Crumbly Is. Camarotoechia, [[Buusia?] 
D 3 1/2-6' Dark shale Choretes 
C 6" 
B 12' Dark shale 
A 4- 6" Lenticular, sublithographic Is. 
Exposure at NW 1/4 SE 1/4 31-23N-20E Mayes Co. seems to be same 
horizon as E. 
G. Arthur Cooper - Field Notes, circa 1955 
Transcribed and Reviewed by Digital Volunteers 
Extracted Oct-12-2015 01:35:03 
Smithsonian Institution Transcription Center, Smithsonian Institution Archives 
