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TitleDateType
1 Alf Engen jumping at Big Pines, California, circa 1931.1931
2 Alf Engen jumping at Big Pines.1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940Image
3 Alf Engen jumping at Big Pines.1930; 1931; 1932; 1933; 1934; 1935
4 Alf Engen taking off the ramp at Big Pines, circa 1931.1931
5 Alf taking off the jump ramp at Big Pines.1930; 1931; 1932; 1933; 1934; 1935
6 Jumper airborne at Big Pines, circa early 1930s.1930; 1931; 1932; 1933; 1934; 1935; 1936
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