Utah PROFIL_BASLN

The Utah subset of profile baselines (layer 17) 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.该数据集为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）Web服务所提供的剖面基线犹他州子集（第17层）。如需了解此类图层的更多详情，请访问FEMA官方网站。该图层每周一凌晨3:00从FEMA的Web服务执行更新。