Copies of additional entries shall, from time to time, be procured as made, certified as required in section 622.44 , and entered in the book of “copies of original entries”, until all the lands in the county have been entered and so certified. [R60, §4050; C73, §3705; C97, §4637; C24, 27, 31, 35, 39, § 11298; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §622.45 ] Referred to in §622.51