Utah LOMAs

The Utah subset of Letters of Map Amendment (LOMAs, layer 34) from FEMA's National Flood Hazard Layer (NFHL) GIS web service. For more information about these layers, please visit FEMA's website. This layer is updated from the FEMA web service at 3:00 AM every Monday morning.本数据集源自美国联邦紧急事务管理局（Federal Emergency Management Agency, FEMA）国家洪水灾害图层（National Flood Hazard Layer, NFHL）地理信息系统（Geographic Information System, GIS）网络服务，为其中的地图修正函（Letters of Map Amendment，缩写LOMAs，对应图层编号34）的犹他州子图层。如需了解此类图层的详细信息，请访问FEMA官方网站。该子图层将于每周一凌晨3:00通过FEMA网络服务完成更新。