One of the most interesting features in a short stay in this old-fashioned city is the opportunity it presents to pay a visit to the zinc mines. A quarter of a century ago they were unknown.

Throughout the 20th century the Friedensville mines were revived using underground mining by the New Jersey Zinc Company and produced zinc in large quantities. But water and the fluctuating price ...

near Friedensville, in October after 26 years of operation. About 170 workers were idled by the shutdown of the mine and mill, which at its peak produced 4,000 tons of zinc concentrate a month.

A few months ago, the New Jersey Zinc Company mine at Friedensville closed, ending a zinc mining history there that goes back to the 1840’s. A few years earlier, in 1977, the very impressive ...