A sign welcomes people to Thorne Bay, Alaska. The Prince of Wales Island Chamber of Commerce says it’s the world’s largest log-handling grapple, a nod to Thorne Bay’s history as a home for logging camps. (Jack Darrell/KRBD) Landline phone service in Thorne Bay has mostly returned, according to numerous sources in the city. The Prince of Wales Island community of about 500 has experienced landline disruptions since late last year. Alaska Communic…