Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Western Sequence
Upper Cambrian - Ordovician
Potsdam sandstone 300+
and
Saratoga dol. (75')
Little Falls dol. (200)
Beekmantown A & B
Phillipsburg A
Ordovician
Beekmantown C & D
Phillipsburg B & C
Chazy li (900)
Canajoharie sh 2500