Show historic iron mines jire are Ro reopened opened RINGWOOD N J idle for or 18 16 years the bi historic ringwood iron mines which ch produced the cannon of old ironsides and the hudson river defense chain in revolutionary war days have been reopened the acre property between the hope and mountains wis was purchased by ringwood mines inc from war wair assets administration tor for when digging was resumed la 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 mem memorable brable casting from tha old mines was the immense chain which was hung across the hudson river below west point during the revolutionary war to prevent british ships from sailing up the river to bombard towns and forts |