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| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
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| John Henry Sears (1905) The Physical Geography, Geology, Mineralogy and Paleontology of Essex County, Massachusetts. The Essex institute, 418pp |
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| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc.
The geology of the Ammonoosuc mining district By Charles Henry Hitchcock |
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| Rocks & Min.: 13:183. |
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| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
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| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
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| Quinn, Alonzo W. (1945). Geology of the Plainfield-Hawley area : with special reference to deposits of manganese and iron minerals (USGS Open-File Report: 45-28)
"Western Massachusetts Mineral Localities" by Alan Plante, Valley Geology Press, 1992. |
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| P Cristofono collection 2010 |
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| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
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| Palache, C. and Pinger, A. W. (1923). The scapolite deposit of Bolton, Massachusetts (American Mineralogist 8:153-157) |
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| Hitchen, C. S. (1935): The Pegmatites of Fitchburg, Massachusetts (American Mineralogist 20:1-24). |
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| Richmond, Wallace E., Gonyer, F. A. (1938) On pollucite. American Mineralogist, 23 (11) 783-789 |
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| Day, David T. (1888). Mineral Resources of the United States, Calendar Year 1887 (Washington, DC: USGS) |
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| Richmond, Wallace E., Gonyer, F. A. (1938) On pollucite. American Mineralogist, 23 (11) 783-789
Dana 4:63 (1854) |
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| Hitchcock (1835).Report on the geology, mineralogy, botany, and zoology of Massachusetts, p. 62. |
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| Jackson, 1840: Geological and Agricultural Survey of the State of Rhode Island, p. 73.) |
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| Dana 4:63 (1854) |
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| Lovell, W. H. (1893) in: Rice, Franklin Pierce. Dictionary of Worcester and Its Vicinity, p. 69. |
Rollstone Hill Quarries, Fitchburg, Worcester County, Massachusetts, USA