 There were also a number of smaller mines scattered around the city. Don Huber tells the big Z there's been mining in the area of the current limestone quarry for decades, but believes most of the underground activity is in areas other than directly under the park. I think it's a 17th fairway has, uh, this it's a, it's a ventilating shaft with a, with a fan in it where they, they can get air down into the mine. Um, and, um,