Monroe Regional Airport and Walla Walla Regional Airport are both considered to be?
Walla Walla Regional Airport: Walla Walla Regional Airport (IATA: ALW, ICAO: KALW, FAA LID: ALW) is a public airport in the western United States, located in Walla Walla County, Washington, three miles (5 km) northeast of the central business district of the city of Walla Walla.
i don't know