ABM Logo New Leonard Mine

The New Leonard Mine was established during World War II by the government, and closed sometime in 1981. The mine is located in Rockaway on the Tilcon property and has been closed to the public for some time now. The grounds are extensive and at one point the mine was producing ore at a phenomenal rate. Beneath the triangular building lies a mine shaft that goes down 2700 feet into the ground!


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Disclaimer: This site attempts to presents a historical perspective to the arm chair explorere on the mines of NJ & NY. The owners and authors do not condone visiting these mines, as they are dangerous and life threatening. We do not take responsibility for any injuries or death which may occur by visiting these mines nore will we give directions to anyone. All mines were thoroughly examined, with all suitable precautions taken when documenting these sites.