From the record
“The Pelota Fronton is a Basque pelota ball court and landmark in Jordan Valley, Oregon, United States.”
Wikipedia article Pelota Fronton, CC BY-SA 4.0.
One of 19 National Register listings published here for Malheur County · listed in 1972 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service