Floodplains Outline
收藏ArcGIS Open Data2025-04-14 更新2026-04-11 收录
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https://private-demo-dcdev.opendata.arcgis.com/maps/26ccb25575484866b6e5a59fb489ad38
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资源简介:
The FIRM is the basis for floodplain management, mitigation, and insurance activities for the National Flood Insurance Program (NFIP).
洪水保险费率图(Flood Insurance Rate Map,FIRM)是国家洪水保险计划(National Flood Insurance Program,NFIP)开展洪泛区管理、灾害减缓以及保险相关活动的基础依据。
创建时间:
2015-02-28



