Shark attack, 1961-08-20 (Unprovoked)
Location: Portuguese Beach at mouth of Salmon Creek, Sonoma County, California, USA
Time: 09h30 / 15h30
Activity: Swimming
Victim: David Vogensen (M, age 16)
Injury: Foot, leg  & groin lacerated
Fatal: N
Species: White shark, 4 m [13'] 
Source: L.A. Times, 8/21/1961; D. Miller & R. Collier; R. Collier, p.33; V.M. Coppleson (1962), p.249; H.D. Baldridge, p.72