Columbia subject headings:
Iron industry and trade--New Jersey.
New Jersey--History.
Harvard subject headings:
Atlantic County (N.J.)--History.
Batsto (N.J.)--History.
Burlington County (N.J.)--History.
Camden County (N.J.)--History.
Ghost towns--New Jersey--Wharton State Forest.
Historic sites--New Jersey--Wharton State Forest.
Iron industry and trade--New Jersey--Wharton State Forest--History.
Iron industry and trade--New Jersey.
New Jersey--History.
Wharton State Forest (N.J.)--History.
Princeton subject headings:
Iron industry and trade--New Jersey.
New Jersey--History.