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USA | |
| Januzzi, Ron E., Seaman, David M. (1976) Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Danbury, Connecticut, USA. |
| J. Zolan Specimen #93 |
| Januzzi, Ron E., Seaman, David M. (1976) Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Danbury, Connecticut, USA. |
| Januzzi, Ron E., Seaman, David M. (1976) Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Danbury, Connecticut, USA. |
| Bill Barret Coll. Specimen, Minerals identified by Jeremy Zolan |
| Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276. Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy. |
| Rutley, 12th Ed. (1900) |
| Schooner, Richard. (1947): Collins Hill (Portland, Conn.) Deserted. Rocks & Minerals, vol. 22, no. 2, p. 135. |
- Manhattan (New York County)
| Anon (1888a) “Mr. William Hidden” Transactions of the New York Academy of Sciences Vol 7, May 1888 Anon (1888a) “Mr. William Hidden” Transactions of the New York Academy of Sciences Vol 7, May 1888 |
| 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 |
| 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 |
Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA