7-2-4311. Annexation of contiguous land by cities or towns. Any tracts or parcels of land that have been or may be platted into lots or blocks, streets, and alleys or platted for parks, the map or plat of which is filed in the office of the county clerk and recorder of the county in which the tracts or parcels of land are situated, or any unplatted land that has been surveyed and for which a certificate of survey has been filed, as provided by law, if the platted or unplatted land is contiguous to any incorporated city or town, may be embraced within the corporate limits of the city or town, and the boundaries of the city or town may be extended to include the platted or unplatted land in the manner provided in 7-2-4312 through 7-2-4314 and 7-2-4325.