From the record
“Illinois Valley Airport is a county-owned public-use airport located four miles (6.4 km) southwest of the central business district of Cave Junction, a city in Josephine County, Oregon, United States.”
Wikipedia article Illinois Valley Airport, CC BY-SA 4.0.
One of 69 National Register listings published here for Josephine County · listed in 2006 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
