PIERRE, S.D. (AP) — Wildlife officials in South Dakota are asking salmon anglers for help.

The state Game, Fish and Parks Department is encouraging anglers to turn in to wildlife officials the heads of tagged Chinook salmon caught on Lake Oahe and the Oahe tail waters. The tagged fish can be identified by the absence of a tiny fin on their back.

State fisheries biologist Robert Hanten says research projects are underway to evaluate salmon return to anglers. He says the public's help is "a crucial part of the research."

Anglers can turn in the fresh or frozen head of a tagged salmon at the department's office in Fort Pierre, Oahe Marina, Spring Creek Resort and Deep Water Marina, Carl's Bait Shop and West Whitlock Recreation Area.

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