From the record
“The Larson Brothers Airport is an airport in rural Winnebago County, Wisconsin, United States along the former Wisconsin Highway 150. It was the first airport in the county and one of the first in the state outside of Milwaukee.”
Wikipedia article Larson Brothers Airport, CC BY-SA 4.0.
One of 85 National Register listings published here for Winnebago County · listed in 1984 · category: District · built in 1922.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

