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USA | |
- East Mount Apatite Mining District
| Bastin, E.S. (1911) Geology of the pegmatites and associated rocks of Maine. United States Geological Survey Bulletin Bulletin 445. |
| King, V. (ed), 2009, Maine Feldspar, Families, and Feuds. |
| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. |
| Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255 Cameron, Eugene N. |
| P. Cristofono collection, 2012 |
| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. |
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| King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey. Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255 Cameron, Eugene N. |
Ryerson Hill Quarries, Paris, Oxford County, Maine, USA