John Jackson
Country: Unknow : Feb 14, 1885
: 1912
John Jackson
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John Jackson Olympics Milestones
| Season | Event | Rank |
|---|---|---|
| 1912 | Men 200+400+500+600m Military Rifle - Team | G |
| 1912 | Men 600m Military Rifle any position | B |
| 1912 | Men 300m Military Rifle 3 x 40 | 33 |
