Mix thoroughly 1/2 cup soup, beef, bread crumbs, onion, egg and salt. Shape firmly into 8x4 inch loaf. Place in shallow baking pan. Bake at 375 degrees for 1 hour.
Blend remaining soup, water and drippings. Heat, stir now and then. While heating the above, separate 1 package refrigerated crescent dinner rolls. Place on top and down sides of loaf overlapping slightly. Bake 15 minutes more. Serve with heated gravy.