| Januzzi, Ronald. E. (1994) Mineral Data Book - Western Connecticut and Environs. Mineralogical Press, Danbury, Connecticut, USA. Sullivan, Earle C. (1985): History and Minerals of Old Mine Park. Second Edition, Revised and Expanded. Trumbull Historical Society, Inc. Hobbs, W. H. (1901): The old tungsten mine in Trumbull, Conn. USGS Annual Report 22:7-22 Gurlt, Adolf. (1894): On a remarkable deposit of wolfram-ore in the United States. Transactions of the American Institute of Mining Engineers: 22: 236-242 Silliman, Benjamin. (1819c): Additional notice of the tungsten and tellurium. American Journal of Science: series 1: 1: 405-10. |
Trumbull, Fairfield County, Connecticut, USA