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USA | |
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| Thompson, Woodrow B., Bearss, Gene T., Falster, Alexander U., Simmons, William B., Nizamoff, Jams W. (2000) The Estes Quarry, Cumberland County, Maine: A New Pegmatite Mineral Locality. Rocks & Minerals, 75 (6) 408-418 doi:10.1080/00357520009605667
Rocks and Minerals (1999) 74:188,189 |
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| Moore, Paul B. (1973) Pegmatite Phosphates: Descriptive Mineralogy and Crystal Chemistry. The Mineralogical Record, 4 (3) 103-130 |
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| Falster, Alexander U., Simmons, William B., Webber, Karen L., Dallaire, Donald A., Nizamoff, James W., Sprague, Raymond A. (2019) The Emmons Pegmatite, Greenwood, Oxford County, Maine. Rocks & Minerals, 94 (6) 498-519 doi:10.1080/00357529.2019.1641021 |
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| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
USGS Bull 445 |
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| King, Van (n.d.) Personal communcation. |
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| en.wikipedia.org (n.d.) https://en.wikipedia.org/wiki/Childrenite
www.mindat.org (2003) https://www.mindat.org/min-1003.html
(n.d.)
(n.d.) |
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| www.mindat.org (2020) https://www.mindat.org/photo-967521.html
www.mindat.org (2003) https://www.mindat.org/min-1003.html |
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| Tim Blake, Lookout Mine Owner |
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| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
Hurlbut, C. S. (1950) Childrenite-eosphorite series. American Mineralogist, 35 (9-10) 793-805 |
Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA