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This spur dike is located 85 km from the mouth of the Rupert River, upstream of a set of rapids that drop several metres.

| Objectives |
|
|---|---|
| Movement of fish | Natural impassable obstacle. |
| Approximate area of influence, going upstream | 10.8 km. |
| Date as of which the water level will be substantially maintained | Once the spring instream flow is downramped, after the diversion bays are impounded in November 2009. |
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