| Manchester, James G. (1931) The Minerals of New York City and its Environs. Bulletin of the New York Mineralogical Club Vol. 3 (1) New York Mineralogical Club (Bridenbaugh, 1873) (Dana, J. D., 1874) (Januzzi, 1966, 1989) (Manchester, 1931) (Trainer, 1938) (Whitlock, 1903). |
Tilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA