Magnetite from Norton, Union Township, Hunterdon County, New Jersey, USA
USA | |
| The Iron Mines of New Jersey (1910), Bayley: 346-347. |
The Iron Mines of NJ (1910), Bayley: 319. |
USA | |
| The Iron Mines of New Jersey (1910), Bayley: 346-347. |
The Iron Mines of NJ (1910), Bayley: 319. |