From the record
“The Pangborn-Herndon Memorial Site is a monument in (present-day) East Wenatchee, Washington, dedicated to Clyde Pangborn and Hugh Herndon, Jr., the two men who made the first non-stop flight across the Pacific Ocean. They departed from Misawa, Japan, on October 4, 1931, and landed near this site 41 hours later.”
Wikipedia article Pangborn-Herndon Memorial Site, CC BY-SA 4.0.
One of 12 National Register listings published here for Douglas County · listed in 1972 · category: Site.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
