Field Notebook: SD 1940
Page 29
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
[loc 264] 16 #10 Road cut, East side of road. Center Sec 18 T9N. R.14E. Fox Hills cochina bed, 5 feet thick. A299 SC4-3 1' ? Conc. S.S. with many shells. 5' Cochina bed, soft grey sand matrix with some clay modules 2' brownish s.s. 5' grey sandy shale True cochina - local. Pelecypods of no more than 3 species, brackish of fresh water aspect. (Photo) (Collected) [see doc. 418 sheets]