From the record
“The Loren Andrus Octagon House, also known as the Washington Octagon House, is a historic octagon house located at 57500 Van Dyke Avenue just north of 26 Mile Road in Washington Township, Macomb County, Michigan. On September 3, 1971, it was added to the National Register of Historic Places.”
Wikipedia article Loren Andrus Octagon House, CC BY-SA 4.0.
One of 15 National Register listings published here for Macomb County · listed in 1971 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service



