Cushing, H.P., 1916. Geology of the Vicinity of Ogdensburg (Brier Hill, Ogdensburg and Red Mills Quadrangles), New York State Museum Bulletin. The University of the State of New York, Albany, New York.

Cushing, H.P., Ruedemann, R., 1914. Geology of Saratoga Springs and Vicinity, New York State Museum Bulletin. The University of the State of New York, Albany, New York.