From Post Falls Police Facebook page: "Update on our missing person case - This morning Avista closed the third channel section of the dam which allowed staff from the Post Falls Police Department, Kootenai County Sheriff’s Department and Post Falls Parks Department to search the area below for the majority of the day. Med Star also sent a helicopter over to search the area with the dam closed. We were unable to locate Joan today and will continue our efforts to find her. Northwest Back Country Search and Rescue group will be searching this evening.