FY23 Status of 3DHP Quality Data in Alaska
This map of Alaska shows geographic extent of the first-ever nationally consistent hydrography data acquired from high-resolution 3D Elevation Program (3DEP) data. FY23 projects are the result of ongoing Federal coordination via the 3DHP Working Group and the Alaska Mapping Initiative.
Available or in-progress data that meet 3DHP specification
Medium Blue = Pending Contribution to 3DHP
Dark Blue = Available or In-Progress
- Hydrography acquired to meet Elevation-Derived Hydrography specifications and READ rules v1.0 or later. TM-11B11 and -11B12.
- Publicly available
*Sources: Hydrologic Units as defined by the Watershed Boundary Dataset (WBD)