Miners come across an unusual treasure while constructing a museum in New JerseySumedhaNovember 26, 2019historyMust ReadsMysteryNewsTravel 1630 The history of the mine started in 1630 when the work to open the mine officially began. King George III who was ruling at that time, granted control of the mine and its operations to William Alexander, who had the title of Lord Stirling. Next Page