Frontenac Ruin, South Willis Gulch Frontenac, as seen from the Missouri Flats area. Similar Images ...based on the tags: headframes, ruins, trees... The walkway to the end of the dock is elevated, so one walks above the trees and bushes growing in the rotting taconite pellets that have collected over the years. Another perfect Indianan sunset alights like a bird on the tops of the vent houses and tree-packed smokestacks. It would be a shame if this building is not preserved. Word is (as of 2015) that construction may start on this section soon. 2013. A perfect summer day meets a beautiful old roundhouse on the edge of town. Sunset came fast, and when the good light died inside the Industrial Loft, I walked around the back to find the whole complex glowing. Beds line a basement room that is part way between the concepts of inside and outside. Boards and bricks were falling while I was photographing it—stay out. My first view of the tunnel was in the dead of winter. In spite of being in the middle of the forest, it was totally silent. Mamiya GA645 / Kodak Pro 400 Vents in the boards over the windows helps prevent mold and animals from getting too crazy inside. The wood-braced structures descending the hill connected the La Crosse Tunnel to the mill in Central City. To see a picture of an aerial tram in action, see at my Treasure Mountain article.