WWDC GIS - Base GIS Layers
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资源简介：
National Hydrography Dataset - for snapping diversions and other riverine features. SEO stream names - for referencing proper water sources. SEO Districts - Hydrographer districts for assigning a unique ID (WDOSTRID) on modeling projects. Public Land Survey System (PLSS)
提供机构：
{{source}}创建时间：
2018-01-25
