Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
5/16/95
contact below. The lowest shale parting of Templeton & Wilman (1963) is 7'3" below the base of the marker bed (L, G+ B. 1979 p. 64).
+ photos B&W coming down hill starting in Maquoketa Fm.
(at Volga, the Elgin Mbr. of Maquoketa Fm in creek bottom
violet's & mauve flowers