Glacier National Park’s centennial summer is winding down. Restaurants and gift shops are beginning to close. Campgrounds are transitioning to primitive status. The steady line of vehicles winding its way up the Going-to-the-Sun Road has begun to thin. While the changes are typical, this was no ordinary summer; it was a season dedicated to celebrating the 100th anniversary of the park’s creation. And so, after two years of planning Glacier Park’s centennial, the obvious question arises: Was it a success? “Overall, yes,” Kass Hardy, Glacier Park’s centennial coordinator, said. “I certainly think it was more successful…