La. R.S. 50:123

Upon petition of any individual owning land in any township, or section thereof, which has never been surveyed or which has been only partially surveyed or in which the lines or corners have become obliterated or are uncertain, in whole or part, the Register of the State Land Office shall, after giving written notice to the other record owners of land in the area in need of surveying so that they may attend if they desire, proceed without delay to have the township surveyed or re-surveyed and a map made showing township and section lines and corners and half-mile stations. The landowner petitioning for the survey shall bear the expense thereof.