The Sheldon Museum sign, a rotting timber and stone edifice that was sinking into a lawn adjacent to Main Street, is scheduled to be replaced by week’s end by a 20-foot totem pole with a sign panel attached to its pedestal base.

The pole, which represents the museum as well as the valley’s history, features some unusual images including the muster bell from Fort Seward and a camera-toting tourist in a canoe, wearing an Alaska…