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1 Alf Engen airborne at Becker Hill, circa 1930.1930
2 Alf Engen airborne at Becker Hill, circa 1930.1930
3 Alf Engen airborne at Becker Hill, circa 1930.1930-01
4 Alf Engen flying off the take-off on Becker Hill, circa January 1930.1930-01
5 Becker Hill, circa 1930.1930
6 Becker Hill, circa 1930.1930
7 Becker Hill, circa 1930.1930
8 Becker Hill, circa summer 1929.1929
9 Building the take-off at Becker Hill, circa 1929.1929
10 Sverre Engen, Halvar Hvalstad and Halvor Bjorngaard standing in front of a Becker Hill billboard.1930; 1931
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