20-inch products pipeline runs parallel to a railroad track in Imperial County, California. Both the pipeline and the railroad are crossed by the 250-foot wide Mammoth Wash. Flash floods caused lateral migration and eroded 3 to 6 feet of the right-descending bank.
An 8-inch natural gas pipeline crosses Caddo Creek in Carter County, Oklahoma. The bed and banks of the creek are composed of clay and sand and the banks are well vegetated. Heavy rain caused lateral migration and head cutting that eroded the right descending bank.
A 50-foot-wide pipeline right-of-way (ROW) had one 16-inch diameter natural gas pipeline in Lea County, New Mexico. Two sites, located 400 yards apart on the same pipeline, were being eroded directly over the pipeline ROW trench. Water running along the trench...