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Table 1. Number of common carp and walleye samples used for analyses, by river and time period
River
1975-1979
1980-1987
1988-1995
Total
Common carp
Walleye
Common carp
Walleye
Common carp
Walleye
Common carp
Walleye
Mississippi River
82
19
96
35
31
15
209
69
St. Croix River
10
0
9
5
13
13
32
18
Minnesota River
23
2
16
5
13
5
52
12
Total
115
21
121
45
57
33
293
99
 
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