25 C.F.R. § 171.11 Obstructions.
Title 25 - Indians
No obstructions of any kind including service or farm ditches, will be permitted upon project rights-of-way. Due notice will be given to an operator or landowner to remove any obstructions. If not removed within a reasonable period of time after notice is given, an obstruction will be removed by project forces at the expense of the operator or landowner.
Title 25: Indians
PART 171—OPERATION AND MAINTENANCE
§ 171.11 Obstructions.

