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USA | |
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| David S. Bernstein- January 2010 |
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| Observed 10/2009 by David S. Bernstein |
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| NJ State Geol. Ann. Rpt. (1900): 176. |
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| NJ State Geol. Ann. Rpt.(1895):39. |
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| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
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| The Iron Mines of NJ (1910), Bayley:217. |
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| The Iron Mines of NJ (1910), Bayley: 214. |
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| Woodward, H. P. (1944). Copper mines and mining in New Jersey. Department of conservation and development, state of New Jersey. Bulletin 57
The Iron Mines of New Jersey (1910), Bayley:216
David S. Bernstein, October 2009 fieldtrip observations. |
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| NJ State Geol. Ann. Rpt. (1900):177. |
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| The Iron Mines of NJ (1910), Bayley:219. |
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| Observed David S. Bernstein- February of 2012 |
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| The Iron Mines of NJ (1910), Bayley: 216. |
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| Montgomery, A., 1957, Three occurrences of high-thorian uraninite near Easton, Pennsylvania: Am. Mineralogist, v. 42, pp. 804-820 |
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| NJ State Geol. Ann. Rpt. (1900): 176. |
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| William Shirley Bayley (1941) Pre-Cambrian geology and mineral resources of the Delaware Water Gap and Easton quadrangles, New Jersey and Pennsylvania. USGS Bulletin 920
The Iron Mines of NJ (1910), Bayley:211. |
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| NJ State Geol. Ann. Rpt. (1900): 176. |
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| Dump material-two blocks away from Quarry-David Bernstein-January 2010. |
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| Warren Cummings, Geologist, NJDOT. |
