I think the side of the lost river building on the lakeside still has "white river warehouse" painted on it which is a leftover from the Dugan days, if I am remembering correctly. When they gutted the building in the winter of 1984 to build lost river, they did a pretty good job of removing most of the diving bell stuff. The rocks on the lakeside, the cave at water level, and rocks on the front of the building are leftovers. In the line for lost river you will see round wooden covers on what were children's crawling tunnels in the diving bell playground area, and at one point, the remants of the old diving bell wharf can be seen. Also, you walk through a little structure that looks like a mine shaft while standing in line, that's what is left of the diving bell exit tunnel. When you enter the building and are in the hallway area, that is the same hall used to go to diving bell capsules A and B. That tunnel has not changed at all over the years.