Route 15 NJ: Cracks shut down Weldon Road bridge in Jefferson NJ
Hurd Mine Lisa Genovese, a Jefferson historian who has studied the abundant old mines extensively, said the main shaft to the Hurd Mine is just yards off one of the ramps between Route 15, Route 181 and Weldon Road. The mine had a couple of underground lateral shafts as well as surface mines where the ore-containing rock was near the surface. There continue to be rumors — repeated on a scholarly website about New Jersey mines — that when the interchange was being built in 1973, contractors poured concrete into a form for support. However, the form would not fill up and the pour was stop...
Source: njherald.com