Bemidji Bemidji Regional Airport

[ Civilian airport ]

Active for stratospheric balloon launches in the 60's decade. Estimated number of launches performed there: 20

Camp Ripley Camp Ripley, Little Falls

[ Military installation ]

Active for stratospheric balloon launches between early 40's until late 50's. Estimated number of launches performed there: 40

Fleming Field Fleming Field Airport, South St.Paul

[ Civilian airport ]

Very active for stratospheric balloon launches between 50's and 60's. Estimated number of launches performed there: 500

International Falls Einarzen Flight Station, International Falls

[ Civilian airport ]

Active for stratospheric balloon launches between 1955 and 1965. Estimated number of launches performed there: 35

Crosby Portsmouth, Feigh and Mangan-Joan iron mines, Crosby

[ Man made depressions ]

Active for stratospheric balloon launches between late 50's until middle 60's. Estimated number of launches performed there: 30

New Brighton University of Minnesota Airport, New Brighton

[ Civilian airport / Permanent facility ]

The third more active site of the entire US for stratospheric balloon launches. Operative between 1950 and 1968. Estimated number of launches performed there: 1000