Cobble and Flagpole Cobble streets wrap around the inside of the fort. Similar Images ...based on the tags: cobble, grass, trees... This building had the rusty remains of a few mattresses, likely used in the 1940s when this site was last occupied. Every walking path was strewn with debris. It was hard to imagine that all that was inside once. One thing I like to do at Gopher is imagine the shape of the planned buildings based on the partial structures. SFAAP’s iconic smokestacks. You’d notice if you drove past this on the highway. North of the assembly complex is a storage network of earthen and concrete bunkers. A back-lit tree with the silhouette of a roof spire in the background. A tunnel between the outside gate and the courtyard shared by the barracks. This bridge over Eagle River is beautiful. The rust garden’s brick centerpiece contrasts the muted winter Kentucky palette.