[[stamped]] 0843 [[/stamped]] 
Aug. 16. 
Four kegs packed at Muskogee, all of Mayes. Keg #4 contains one lot 
on top half of keg without label. This was collected Aug. 16 in afternoon 
inside loop of Okla 1 0 ca VA to 4 miles SE of Fort Gibson, about center 
SV 2 of NW % 21 - 1 5N - 20E, Hulbert [[image - square]], Oklahoma. 
Beds with big Productid and Centronella very near top of Moorefield. 
These are underlain by granular Is with large Flexaria and Inflatia like I 
inflatus of the Chester. These however underlie the big productus bed 
which has Moorefieldella. Beds with big Spirifer just underlie the Flexaria 
beds and under these is a layer teeming with Moorefieldella. Under this 
some distance comes Martinia - big Linoproductus bed. Below that the 
rocks are quite shaly. 
Beds with Big Spirifer and terebratulas is just below the Flexaria bed. 
Athyrid in Fayetteville on Okla 10 is near base of shale. This near center 
SE% NW% 21 -15N-20E. 
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 
