Preheat oven to 350 degrees.

In medium bowl, combine flour and sugar, and cut in the butte with knife until crumbly.

Wash and peel peaches, and slice thinly.

Places peaches in a 9x13 baking greased baking dish.

Sprinkle brown sugar, sugar, cinnamon, and salt over peaches. Mix until well coated.

Dot butter all over the filling. Spread topping over the filling.

Bake for roughly 50 minutes until the crust is slightly brown and filling is bubbling.