From the record
“The North River Stone Schoolhouse is a historic building located north of Winterset, Iowa, United States. Built in 1874 of coursed native limestone, the one-room schoolhouse educated local students until it closed in 1945.”
Wikipedia article North River Stone Schoolhouse, CC BY-SA 4.0.
One of 55 National Register listings published here for Madison County · listed in 1977 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

