From the record
“Dinwiddie House, also known as Maple Grove Stock Farm, is a historic home located near Dover, Lafayette County, Missouri. It was built about 1840, and is a two-story, central passage plan, vernacular Greek Revival style brick I-house.”
Wikipedia article James M. Dinwiddie House, CC BY-SA 4.0.
One of 32 National Register listings published here for Lafayette County · listed in 1997 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service