A Haines-based conservation group is asking the state to investigate jet boat use on the Chilkat River within the Chilkat Eagle Preserve

Lynn Canal Conservation says it has photo evidence taken in July and August that Chilkat River Adventures jet boats violated the no-wake zone in the river.

The group says the photos show medium to large wakes on 27 occasions through the Sheep Canyon Lake Access Channel. The zone was created to minimize erosion and effects on salmon spawning and rearing.

The group filed a complaint with the state Division of Parks and Outdoor Recreation.

Karen Hess with Chilkat River Adventures Inc. tells the Juneau Empire that the business is communicating with the parks division. She says the business operates under guidelines of the permit and adheres to the permit guidelines.