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USA | |
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| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. |
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| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
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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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| Mason, Anita (1976) The World of Rocks and Minerals. Larousse & Co., Inc., New York. |
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| Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania |
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| Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston |
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| Michael W. Kieron collection |
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| Rocks & Minerals (1986): 61: 266
Rocks & Minerals (1986): 61: 286-289 |
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| Rocks & Minerals (1986) 61:264-275
Rocks & Minerals (1986): 61: 286-289
Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston |
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| Mason, Anita (1976) The World of Rocks and Minerals. Larousse & Co., Inc., New York. |
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| Rocks & Min. Vol. 71, (1996) |
Conklin Quarry, Lime Rock, Lincoln, Providence County, Rhode Island, USA