CIS2 - Central Index System 2 (CIS2) - Repository of Immigration Benefits and Enforcement Encounter Data
收藏data.gov2026-02-14 收录
数据链接：
官方服务：
资源简介：
The Central Index System 2 (CIS2) supports the collection and dissemination of biographic and historical information on the status of over 96.8 million immigration...
中央索引系统2（Central Index System 2, CIS2）可支持对涉及逾9680万移民状况的传记类与历史资料进行采集与发布……
