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USA | |
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| Observation by Jeremy Zolan |
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| Kevin Czaja Collection, Ex: Marcelle Weber Coll: m1803, m1236 respectively |
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| 5th and 6th Annual Reports of the Curators of the museum of Wesleyan University, Middletown, 1877. |
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| Williams, Horace S. (circa 1945): Article for New York Society of Mineralogists. Brainerd Public Library, Haddam, Connecticut. |
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| Weber, Marcelle H., Sullivan, Earle C. (1995) Connecticut Mineral Locality Index. Rocks & Minerals, 70 (6) 396-409 doi:10.1080/00357529.1995.11761569 |
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| Weber, Marcelle H., Sullivan, Earle C. (1995) Connecticut Mineral Locality Index. Rocks & Minerals, 70 (6) 396-409 doi:10.1080/00357529.1995.11761569
Foye, Wilbur G. (1922) Mineral localities in the vicinity of Middletown, Connecticut. American Mineralogist, 7 (1) 4-12
Davis, James W. (1901): The Minerals of Haddam, Conn. Mineral Collector, v. 8, no. 4, pp. 50-54, and no. 5, pp. 65-70. |
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| Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy. |
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| Williams, Horace S. (circa 1945): Article for New York Society of Mineralogists. Brainerd Public Library, Haddam, Connecticut. |
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| Williams, Horace S. (circa 1945): Article for New York Society of Mineralogists. Brainerd Public Library, Haddam, Connecticut. |
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| Lundgren, Lawrence Jr. (1979) The Bedrock Geology of the Haddam Quadrangle. Quadrangle Report 37.. State Geological and Natural History Survey of Connecticut |
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| Foye, Wilbur G. (1926) The occurrence of thulite at Haddam, Connecticut. American Mineralogist, 11 (8) 210-212 |
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| Samuel Robinson (1825) A Catalogue of American Minerals, with their localities. Boston |
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| Fred Schuster. personal observations |
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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.
Dave Bodnar collection. |
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| Moritz, Harold (n.d.) Personal Communication. |
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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.
Rocks & Minerals (1955) 30:351-358 |
Appletree Lane, Portland, Middlesex County, Connecticut, USA