Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
The Black River is full of fossils but are not
found, Birds, saur. Lep., Insects, Pterodact.
and Batrachians are the usual ones, Also Cheiracaris.
The Lower beds at the bottom is sandy and
in places the fossil layer is a sandstone.
The base of the Black River here has no fossils
in it of older formations.
As an acre of the Trenton is exposed at Trenton Falls,
the thickness is probably near 300 feet and maybe 320
feet.