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USA | |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
| Emerson, B. K. (1899). Geology of Eastern Berkshire County, Mass. (USGS Bulletin 159). |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
| Emerson, B. K. (1899). Geology of Eastern Berkshire County, Mass. (USGS Bulletin 159). |
| Skehan, James. Roadside Geology of Massachusetts (2001), p. 290. |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
| Hitchcock, 1841. Geology of Massachusetts |
| Palache, C. and Pinger, A. W. (1923). The scapolite deposit of Bolton, Massachusetts (American Mineralogist 8:153-157) |