From the record
“District No. 34 School is a former school building in Denmark Township, Minnesota, United States. It was built around 1852 and remained in active use until 1946.”
Wikipedia article District No. 34 School, CC BY-SA 4.0.
One of 42 National Register listings published here for Washington County · listed in 2014 · category: Building · built in 1852, Greek Revival architecture.
Sources: the Wikipedia article · the National Register database, National Park Service

