Drawing of a central passage or central hallway house type floor plan layout: two rooms separated by a hallway between them
State of Utah (U.S.) Division of State History
State of Utah (U.S.) Division of State History - <a rel="nofollow" class="external free" href="https://web.archive.org/web/20170902213419/https://heritage.utah.gov/history/early-residential-building-types">https://web.archive.org/web/20170902213419/https://heritage.utah.gov/history/early-residential-building-types</a>