All surveys and plats shall be filed with the secretary of the executive council, and shall become public records of this state. [C24, 27, 31, 35, 39, § 1816; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §111.22 ] 86 Acts, ch 1245, §1863 C93, §461A.22