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USA | |
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| Former Ed Force collection |
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| Januzzi, Ronald. E. (1994) Mineral Data Book - Western Connecticut and Environs. Mineralogical Press, Danbury, Connecticut, USA. |
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| 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 |
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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.
Ryerson, Kathleen H. (1972): Rock Hound's Guide to Connecticut. Pequot Press. |
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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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| Schrader, FC, Stone, RC, Sanford S. (1914) Useful minerals of the United States. Bulletin Vol. 585. US Geological Survey doi:10.3133/b585 |
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| Moritz, Harold (n.d.) Personal Communication. |
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| 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 |
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| Henderson, William, A., Jr. (1967), A Copper Analog of Laurium, Greece. Rocks & Minerals: 42(5): 273-276. |
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| Sullivan, Earle C. (1985): History and Minerals of Old Mine Park. Second Edition, Revised and Expanded. Trumbull Historical Society, Inc.
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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| 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 |
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| Former Ed Force collection |
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| Force, Edward. (2007), Soapstone? Talc? Steatite? Privately published. |
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| David Busha collection |
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| Rich Kupisz collection |
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| [var. Steatite] John Burnham |
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| Januzzi, 1976. Mineral Localities of CT and Southeastern NY State, p.23 |
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| Stanley, Rolfe S. (1964), The Bedrock Geology of the Collinsville Quadrangle. State Geological and Natural History Survey of Connecticut Quadrangle Report no. 16. |
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| Eldridge, Rev. Joseph. (1900), History of Norfolk. Massachusetts Printing Co., Everett, Mass.: 497. |
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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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| Hobbs, William Herbert. (1907), The Iron Ores of the Salisbury District of Connecticut, New York and Massachusetts. Economic Geology: 2: 153-181. |
- Torrington (Wolcottville)
| Merguerian, Charles. (1985), Geology in the vicinity of the Hodges Complex and the Tyler Lake granite, West Torrington, Connecticut, in R. J. Tracy, ed., 77th New England Intercollegiate Geological Conference, New Haven, Connecticut. Connecticut Geological and Natural History Survey Guidebook No. 6: 411-442. |
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| Shepard, Charles U. (1837): REPORT ON THE GEOLOGICAL SURVEY OF CONNECTICUT. |
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| Lundgren, Lawrence, Jr. (1963): The Bedrock Geology of the Deep River Quadrangle. State Geological and Natural History Survey of Connecticut. Quadrangle Report No. 13: 19-21. |
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| Moritz, Harold (n.d.) Personal Communication. |
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| Schairer, John F. (1931): Minerals of Connecticut. Connecticut Geological and Natural History Survey Bulletin 51. |
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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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| Robinson (1825) |
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| Moritz, Harold (n.d.) Personal Communication. |
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| Skehan, James W. (2008). Roadside Geology of Connecticut and Rhode Island (Missuola, MT: Mountain Press), p. 110. |
Native American soapstone quarry, Barkhamsted, Litchfield County, Connecticut, USA