It is the duty of the county clerk to maintain permanently all documents that by law should be recorded. History: Laws 1855-1856, p. 18, § 2; C.L. 1865, ch. 88, § 2; C.L. 1884, § 430; C.L. 1897, § 777; Code 1915, § 4780; C.S. 1929, § 118-102; 1941 Comp., § 13-102; 1953 Comp., § 71-1-2; 2011, ch. 134, § 5.