Wild Rice-Tuna Casserole

I found this recipe in an old cookbook with no cover. Mrs. Robert Barkovic, International Falls, Minn. Ingredients- 2/3 cup wild rice, 1 cup water, 1 tsp. salt, 2/3 cup celery, diced, 1/3 cup onion, diced, 1 tbsp. butter, 1 can mushroom soup, 1 can (9 oz.) tuna, 1/4 tsp. curry powder. Instructions- Wash rice thoroughly and cook first 3 ingredients until rice is tender. Saute celery, onion, in butter and add to cooked rice. Add mushroom soup, tuna, and curry powder. Combine in 1 1/2 qt. casserole and bake in 350 degree oven 1/2 hour.