 Would you trust 100 plus cows with your expensive research equipment? A rangeland experiment taking place in a pasture out in rural North Dakota is proving cows are good for the environment. Cattle are actually good, not detrimental to anything. That's the message Lewis Heaton wants to spread to the public. Heaton Ranch is northeast of Bismarck and is the rancher supplying the cows and the land for this rangeland carbon experiment.