479.19  Limitation on grant.
  No exclusive right shall ever be granted to any pipeline company to construct, maintain, and operate its pipeline or lines along, over or across any public highway, grounds or waters and no such permit shall ever be granted for a longer period than twenty-five years.
[C31, §8338-d17; C35, §8338-f33; C39, §8338.41; C46, 50, 54, 58, 62, 66, 71, 73, 75, §490.20; C77, 79, 81, §479.19]