• A 20-inch natural gas pipeline crosses Little Sandy Creek in Pontotoc County, Oklahoma. The creek bed is composed of clay, sand, gravel, and riprap. Broken concrete was previously placed on the right-descending bank but has scattered.

  • A 30-inch diameter natural gas transmission pipeline crosses at the confluence of the White River and the East Fork of the White River. The White River had laterally migrated and the right, descending, high bank eroded to expose the pipeline.