Combine beef, chicken broth, 1 c water, cumin, garlic powder, onion powder, chili powder and turmeric and cook on very low heat in pot on stove for two hours or in a crock pot on low for 4-6 hours.  Reserve 1/4 broth from this after meat is done.  Drain meat.  Add meat and reserved broth back to pot.  Add taco seasoning and 1/2 c water and simmer for 5 minutes.  Remove from heat and stir in cheese until melted.  Serve with taco or tortilla shells.