Annexations

The annexation data set contains all of the annexations, detachments, land grants, additions, consolidations, subtractions, reorganizations, and relocations of the city boundary since 1849. It is updated from council approved ordinances and resolutions and coordination with LAFCo. Updates to boundary data set are updated on a regular basis to reflect adjustments to base and re-interpretations of legal descriptions.本兼并数据集（annexation data set）收录了1849年以来所有涉及城市边界的并入、划出、土地划拨、新增、合并、减损、重组及重定位操作。本数据集依据市议会批准的法令与决议，并通过与LAFCo的协调完成更新。边界数据集将定期开展更新工作，以反映基础数据调整及法律描述的重新阐释需求。