Show historic iron mines are reopened Be opened KINGWOOD RINGWOOD N J idle for 16 years the historic ringwood iron mines which produced the cannon ct of old ironsides and the hudson over defense chain in revolutionary war days have been reopened the acre property between the hipe H ipe and mountains was purchased chased by ringwood mines inc from war assets administration tor for 1 1275 I when digging was resumed in habitants of this year old mining community returned happily from their exile in the factories of new york eventually it is expected the mines will employ men most memorable casting from the old mines was the immense chain wh ch was hung across the hudson river below west point during the revolutionary war to prevent brit ish ships from sail ng up the river to bombard towns and forts torts |