From the record
“The Asa Johnston Farmhouse is a historic farmhouse in Johnstonville, Alabama, United States. The one-story, spraddle roof dogtrot house was built in 1842 by Ezra Plumb for Asa Johnston.”
Wikipedia article Asa Johnston Farmhouse, CC BY-SA 4.0.
One of 4 National Register listings published here for Conecuh County · listed in 2008 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service