From the record
“The Sod House Ranch is a historic ranch in Harney County in southeastern Oregon, United States. The remaining ranch structures are located south of Malheur Lake in the Malheur National Wildlife Refuge.”
Wikipedia article Sod House Ranch, CC BY-SA 4.0.
One of 7 National Register listings published here for Harney County · listed in 1979 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service