Mo. Rev. Stat. § 60.550
The custody and ownership of the original United States public land survey corners and accessories, including all restoration and replacements thereof and all accessories, belonging to the state of Missouri is hereby transferred to the department of agriculture. The department of agriculture shall see that the markers are maintained, and the alteration, removal, disfiguration or destruction of any of the corners or accessories, without specific permission of the department of agriculture, is an act of destruction of state property and is a misdemeanor. Any person convicted thereof shall be punished as provided by law. Each of the several prosecuting attorneys is specifically directed to prosecute for the violation of this section for any act of destruction which occurs in his county.
§ 60.550, RSMo
Effective 7-1-70