Apple Crisp

8 cups sliced apples
2 T flour
1 cup sugar
1 1/2 cups brown sugar
2/3 cup butter or margarine
1 1/2 cups flour
1 cup oatmeal
1 1/2 teaspoon soda
1 teaspoon salt

Combine first three ingredients, mix together well and place in a 9x13 baking pan. Combine remaining six ingredients, cutting in butter until mixture is crumbly. Sprinkle crumbly mixture over top of apples. Bake at 350 for 30 minutes.