1. Place onion, carrots and potatoes at bottom of crock pot.
2. Dredge roast in flour and placed in lightly greased pan.
3. Brown on both sides in hot oil over high heat.
4. Place roast in crock pot over vegetables.
5. Pour soup and 1/2 can water over roast.
6. Cover and cook on low for approximately 10 hours, or 5 to 6 hours on high.