1942 
May 27 - Seneca Is. exposed on hill at big bend of US 20 about 2 mi. NE 
of Cherry Valley on old Johnson road 1/2" NW of old Cherry Valley 
Turnpike. About 6' of solid heavy but irregularly bedded crinoidal Is. 
Bentonite at base about 6" thick. The Is is hard and quite unlike the 
Seneca at Oneida Falls. Many silicified Atrypa. 
Cherry Valley on US 20 just east of Cherry Valley 
[[image: diagram of different layers and measurements where fossils 
reside]] 
Cherry Valley 
30 or 40' Fissile, shale with Styliolina Chittenango 
5' Solid massive Is, pitted, small corals in bottom 
6" black shale 
6-9" hackly Is with trilobites, Pentamerella fine Atrypa corals 
1-1 1/4 Union Springs with concretions containing Werneroceros. 
G. Arthur Cooper - Field notes, circa 1959 
Transcribed and Reviewed by Digital Volunteers 
Extracted Oct-09-2015 08:35:03 
Smithsonian Institution Transcription Center, Smithsonian Institution Archives 
