age,tl,river
1,37.8,Salmon
2,39.7,Salmon
2,43.6,Salmon
2,46.7,Salmon
2,47.6,Salmon
2,50.4,Salmon
2,51.2,Salmon
2,56.2,Salmon
3,60.5,Salmon
3,56.2,Salmon
3,55,Salmon
3,53.8,Salmon
3,51.2,Salmon
4,59.4,Salmon
4,57.2,Salmon
4,53.4,Salmon
2,50.7,Salmon
2,46.7,Salmon
3,55.6,Salmon
3,53.8,Salmon
2,45.9,Salmon
1,43.1,Trent
2,44.2,Trent
2,47.2,Trent
2,48.2,Trent
2,49.1,Trent
2,59.4,Trent
5,62.5,Trent
4,63.5,Trent
4,61.3,Trent
4,60.3,Trent
4,57.5,Trent
4,55.9,Trent
3,49.9,Trent
3,51,Trent
3,63.2,Trent
3,61.2,Trent
3,60.4,Trent
3,59.4,Trent
3,58.4,Trent
3,57.5,Trent
3,56.8,Trent
3,55.8,Trent
3,55.1,Trent
3,54.3,Trent
3,53.4,Trent
3,52.6,Trent
2,47.6,Trent
4,60.8,Trent
4,56.4,Trent
3,58.4,Trent
3,60.2,Trent
3,55.1,Trent
4,61,Trent