National Hydrography Dataset Newsletter - Vol. 21 | Issue 1-2
Information on the 3D Hydrography Program is now available online!
Information on the 3D Hydrography Program is now available online!
The USGS is establishing the 3D Hydrography Program (3DHP) initiative to completely refresh the Nation’s hydrography data and improve discovery and sharing of water-related data.
The USGS is establishing the 3D Hydrography Program (3DHP) initiative to completely refresh the Nation’s hydrography data and improve discovery and sharing of water-related data.
