ELKTON — Five-year-old Austin Schermerhorn pointed Sunday at a pelt hanging in the Hudson’s Bay Co. store at Fort Umpqua. “What do you think that is?” Kimberly Schermerhorn asked her son. “A skunk,” Austin replied, smiling. The Sutherlin family was among hundreds of visitors who came to Elkton over Labor Day weekend for Fort Umpqua Days. The annual festival featured tours of the replica fort, a bass fishing tournament, crafts, a barbecue and a nightly musical pageant celebrating the settlement of the Umpqua. “This is pretty neat,” Kimberly Schermerhorn said, looking around at beaver, coyote, rabbit and ermine pelts, among …