Busy Day Baked Beans in the Crock Pot

Description
This is a recipe I obtained from an estate sale. I obtained it when I purchased the family collection from the Hager estate in Canton, Texas in 1982.
 * Contributed by catsrecipes y-group

Ingredients

 * 5 cans navy beans drained
 * 1 small white onion peeled and chopped
 * 1½ cup maple syrup
 * 2 tablespoons yellow mustard
 * ½ teaspoon salt
 * 4 slices thick cut bacon

Directions

 * 1) In a 5-quart crock pot mix together all ingredients except bacon.
 * 2) Lay bacon strips over the bean mixture then cover and cook on low for 14 hours.