CFR > Title 43 - Public Lands: Interior > SUBTITLE B—Regulations Relating to Public Lands > CHAPTER II—BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR (parts 1000 to 9260) > SUBCHAPTER D—RANGE MANAGEMENT (4000) (parts 3900 to 4700) > PART 4100—GRAZING ADMINISTRATION—EXCLUSIVE OF ALASKA > SUBPART 4150—Unauthorized Grazing Use (§4150.1 to §4150.4-5)