Pumpkin Dump cake

1 (29 oz) can of Libby pumpkin (not pumpkin pie filling)
1 3/4 cup sugar
2 can (12 fl oz each) evaporated milk
4 eggs
1 tsp all spice
1 tsp ginger
2 tsp cinnamon
1/2 tsp cloves
1 yellow cake mix
1/2 cup brown sugar
2 cubes melted butter

Mic pumpkin, spices and eggs together. Gradually mix in evaporated milk. Poor mixture into 9x13 baking dish. In a separate bowl mix dry cake mix with 1/2 c. Brown sugar until well mixed. Sprinkle evenly on top of pumpkin mixture. Pour melted butter evenly over dry cake mix. Bake at 350 for 1 hour or until center is done.