From the record
“The Sod House, which is also known as Marshall McCully Sod House, is a sod house built in 1894. It is located in Alfalfa County, Oklahoma approximately four miles north of Cleo Springs, Oklahoma.”
Wikipedia article Sod House (Cleo Springs, Oklahoma), CC BY-SA 4.0.
One of 12 National Register listings published here for Alfalfa County · listed in 1970 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article