Hematite from Warren County, New Jersey, USA
USA | |
| The Iron Mines of NJ (1910), Bayley: 58. |
| NJ State Geol. Ann. Rpt. (1900):176. |
| The Iron Mines of NJ (1910), Bayley:84-85. |
| The Iron Mines of NJ (1910), Bayley: 49. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| US Dept. Of Int. Bur. of Mines ROI #6885 (1967), Williams, R.L.:25. |
| The Iron Mines of NJ (1910), Bayley: 52, 86-87. |