FIRMPanel

A polygon layer showing the FEMA Flood Insurance Rate Map , FIRM, panel for King George County. Data includes panel ID, effective dates, and other FEMA classifications.本数据集为多边形图层，展示美国联邦紧急事务管理局（Federal Emergency Management Agency, FEMA）洪水保险费率图（Flood Insurance Rate Map, FIRM）的乔治国王县图幅。数据包含图幅ID、生效日期及其他FEMA分类项。