See where N.J.’s 588 abandoned mines are located after another collapse under I-80
The recent sinkholes on I-80 were caused by long-abandoned mines. See the map showing hundreds of closed New Jersey mines.
Route 80 sinkholes put a spotlight on New Jersey's 588 abandoned mines
The Sterling Mine, the last operating mine in New Jersey, suspended large-scale commercial mining operations in 1986. Since ...
The New York Times1mon
THE MINING ENGINEERS.; AN EXCURSION TO THE RINGWOOD MINES, N.J. AN EVENTFUL DAY.
The American Institute of Mining Engineers had an excursion yesterday, and certainly none but mining engineers would have braved the storm on such a day. View Full Article in Timesmachine ...