Source Information

Ancestry.com. Abandoned iron mines of Rockaway Township, Morris County, New Jersey [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2004.
Original data: Abandoned iron mines of Rockaway Township, Morris County, New Jersey. Trenton, N.J.: State of New Jersey, Dept. of Labor and Industry, Divison of Workplace Standards, Office of Safety Compliance, 1983.