Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
5/6/95
contact below. The lowest shale parting
of Templeton & Wilman (1963) is 7'3"
below the base of the marker bed.
(L, GYB, 1979, p. 64)
4 photos B&W coming down hill
starting in Maquoketa Fm.
(at Volga, the Elgin Mbs. of
Maquoketa Fm in creek bottom
Violets & mauve flowers