Description: This data shows historic annexations within Thurston County. Not all annexations, back to original city limits, are shown in this data. Most annexations since 2000 are visible with in the data and some dating back farther in history. For a complete list of annexations within the city limits please contact the Jurisdiction directly. This layer is used to create the City Limits Layer by dissolving the various Annexation Areas into their respective Cities. This process is automated and occurs on a nightly basis in the Thurston GeoData center SDE. This layer was lasted updated by SLS on June 11, 2019.