Marinated Cucumber Salad

2 medium cucumbers, thinly sliced
1 medium onion, sliced into rings
2 cups carrots, thinly sliced
1/2 cup celery, sliced
1 cup vinegar
1/4 cup oil
3/4 cup sugar
1 teaspoon celery seed
1 teaspoon salt
1/4 teaspoon pepper

Combine vegetables. Combine other ingredients, mix well and toss with vegetables. Chill overnight. Drain.

Makes 6 servings