Craig Hansell | Tribune File Photo
The United Park City Mine Company spent $3 million to turn the Ontario Mine into the Silver
Craig Hansell | Tribune File Photo
Tour guide Chris Dekoning, the third generation of her family to work in the mine, explains
Craig Hansell | Tribune File Photo
Tour guide Chris Dekoning is the third generation of her family to work in the Ontario Silve
Tribune File Photo
Ontario House was the boarding house at the Ontario silver mine in Park City, Utah, around 1870.
Craig Hansell | Tribune File Photo
The United Park City Mine Company spent $3 million to turn the Ontario Mine into the Silver Mine Adventure in the 1990s. Oct. 8, 1996.
Craig Hansell | Tribune File Photo
Tour guide Chris Dekoning, the third generation of her family to work in the mine, explains the ventilation system deep inside Park City's Ontario Mine. Oct. 8, 1996.
Craig Hansell | Tribune File Photo
Tour guide Chris Dekoning is the third generation of her family to work in the Ontario Silver Mine. She explains the blasting proceedure to a group at the 1500 foot level in the Ontario Mine. Oct. 8, 1996.
Tribune File Photo
Ontario House was the boarding house at the Ontario silver mine in Park City, Utah, around 1870.