From the record
“The Pietenpol Workshop and Garage is a small building in Cherry Grove, Minnesota, United States, where aviation pioneer Bernard Pietenpol designed and built aircraft. The wood-framed structure was added to the National Register of Historic Places in 1981.”
Wikipedia article Pietenpol Workshop and Garage, CC BY-SA 4.0.
One of 36 National Register listings published here for Fillmore County · listed in 1982 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

