From the record
“Grindstone City Historic District is an industrial historic district located on M-25 in Grindstone City, Michigan. It was listed on the National Register of Historic Places in 1971.”
Wikipedia article Grindstone City Historic District, CC BY-SA 4.0.
One of 27 National Register listings published here for Huron County · listed in 1971 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service





