From the record
“Thornhill is a historic plantation near Forkland, Alabama, United States. The Greek Revival main house was built in 1833 by James Innes Thornton.”
Wikipedia article Thornhill (Forkland, Alabama), CC BY-SA 4.0.
One of 36 National Register listings published here for Greene County · listed in 1984 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article


