Miners come across an unusual treasure while constructing a museum in New JerseySumedhaNovember 26, 2019historyMust ReadsMysteryNewsTravel New Constructions To start with, the museum made a new addition at its entrance in the 1990s. There is a 240 long portion in the mines that was blasted and the construction of which cost a lot of money. Each foot that was blasted cost $2. Next Page