Stateville Correctional Center Roundhouse, Stateville's "F-House" cellhouse, commonly known as a "roundhouse", has a panopticon layout which features an armed tower in the center of an open area surrounded by several tiers of cells. State prison officials on Wednesday moved the last 36 inmates out Supplanting the deteriorated Logan Correctional Center in central Illinois is part of the proposal; it might move to the Stateville campus. Completion could be three . F-House was the only remaining "roundhouse" still in use in the United States in the 1990s. htk, rrq, jgh, egu, sws, bed, sbz, fdl, qxk, skb, ple, kja, cqg, ohm, xga,