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USA | |
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| Percival, James Gates. (1822), Notice of the locality of sulphate of barytes from which a specimen was analysed by Mr. G. T. Bowen
and various other mineral localities in Berlin, Conn., American Journal of Science: s. 1, 5: 42-45. |
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| Wilson, Wendell E. (2001) Notes From the Editors - Old Yuma mine. The Mineralogical Record, 32 (6) 426-501 |
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| Former Ed Force collection |
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| Samuel Robinson (1825) A Catalogue of American Minerals, with their localities. Boston |
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| Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp. |
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| Longwell, Chester R. and Edward S. Dana. (1932), Walks & Rides In Central Connecticut and Massachusetts. Tuttle, Morehouse and Taylor, New Haven: 513. |
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| Moritz, Harold (n.d.) Personal Communication. |
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| Jeremy Zolan, Mike Polletta, and Paul Stroh collections |
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| 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. |
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| Moritz, Harold (n.d.) Personal Communication. |
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| personal identification by Fred Schuster |
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| Moritz, Harold (n.d.) Personal Communication. |
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| Simpson, Howard E. (1966), Bedrock Geologic Map of the New Britain Quadrangle, Connecticut. US Geological Survey Map GQ-494. |
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| Shepard Collection |
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| seen in person |
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| Shepard, Charles U. (1837), A Report on the Geological Survey of Connecticut. Hamlen, New Haven. |
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| Silliman, Benjamin. (1819), Localities of Minerals. American Journal of Science: s. 1, 1: 240-1. |
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| Arthur L. Flagg Collection No. 400 |
Newington, Hartford County, Connecticut, USA