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Corps may drop March pulse on Missouri River

SIOUX FALLS, S.D. (AP) -- The Army Corps of Engineers said it might cancel the March surge of extra water meant to help an endangered fish in the Missouri River.

The so-called spring pulse below Gavins Point Dam is meant to replicate a natural spring rise that prompts the pallid sturgeon to spawn.

The corps said the two-day March pulse could be canceled if the river level is already high from spring runoff. The corps said implementing a second pulse planned for May also will depend on the river level.

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