Venti, N. L., C. Ver Straeten, S. C. Osgood, and A. L. DiTroia. 2017. Evaluation of John Boyd Thacher State Park Albany County, New York For its Merit in Meeting National Significance Criteria as a National Natural Landmark Representing Cuestas and Hogbacks and Late Silurian – Devonian Periods in the Appalachian Plateau (Bio)Physiographic Province. National Park Service, New York. (Technical Report (Published))