Each survey of public land shall be made under authority of law and by a surveyor duly appointed, elected, or licensed and qualified.
Tex. Nat. Res. Code § 21.011
SURVEYS OF PUBLIC LAND
Acts 1977, 65th Leg., p. 2355, ch. 871, art
Official source: Texas Constitution and Statutes. Reproduced from public-domain Texas statutes; confirm against the official source for the current text. Not legal advice.