I recently published this essay.
Windsor, Donald A. Prehistory of the Unadilla River Valley.
Chenango County History Essays 2022 August 29: 1-7.
DOI: 10.13140/RG.2.2.13982.61763
A digital copy can be obtained by searching its DOI (Document Online Identifier) or by requesting it at windsorda@roadrunner.com
The Unadilla River Valley was a vary richly inhabited area going back to the Paleo stage, at least 4500 BC, and continued to be inhabited until historical times, mid 1700s AD.