Combine ingredients for filling and place in a pastry lined 9 inch pie pan.
In a small bowl, combine flour and sugar and cut in the butter and cut in butter until it resembles course crumbs. Sprinkle over the pie filling.
Cover edge of crust with foil. Bake at 375 degrees for 25 minutes. Remove foil and bake another 20-25 minutes. Crust should be brown and the berries tender.
Recipe by People, Places and Pies at https://peopleplacespies.com/wild-blueberries-along-the-blue-ridge-parkway-mount-mitchell-state-park-restaurant-blueberry-pie/