Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Tom M. J. Williams
Clinton (Wolcott) Limestone
Gray Shale
Medina (Merrittton) Sandstone
Cataract shale
and Sandstone.
Ball's Falls, Twenty Mile
Creek, near Jordan, Ont.
DEPARTMENT OF MINES
GEOLOGICAL SURVEY
23880
FEB 2 1914
PHOTOGRAPHIC DIVISION.