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National Geospatial Program

The USGS National Geospatial Program (NGP) provides vital, trusted topographic mapping information for the United States through The National Map. NGP’s portfolio and cross-cutting initiatives span from emergency response support to cutting edge geospatial applications. The American people rely on NGP’s publicly available products and services to remain informed and to stay healthy and safe.

News

New 3D Elevation Program Fact Sheet for Massachusetts

New 3D Elevation Program Fact Sheet for Massachusetts

Regional View, Reliable Data: Introducing the USGS 250K Topo

Regional View, Reliable Data: Introducing the USGS 250K Topo

New Training Video: Accessing 3DHP Data Using ArcGIS Pro

New Training Video: Accessing 3DHP Data Using ArcGIS Pro

Publications

The 3D Elevation Program—Supporting the economy of Massachusetts The 3D Elevation Program—Supporting the economy of Massachusetts

Introduction Massachusetts extends from the mountains of the Appalachian system in the west of the State to the sandy beaches and rocky shorelines of the Atlantic coast in the east. Inland topographic data support a wide range of important activities, including geologic mapping, transportation planning, forest and wildlife management, quantifying ecological services, water supply...
Authors
Dan Walters

User’s guide for the National Hydrography Dataset Plus High Resolution (NHDPlus HR) User’s guide for the National Hydrography Dataset Plus High Resolution (NHDPlus HR)

The National Hydrography Dataset Plus High Resolution (NHDPlus HR) is a scalable hydrologic geospatial fabric or framework, built from (1) the High Resolution (1:24,000-scale or better) National Hydrography Dataset (NHD), (2) nationally complete Watershed Boundary Dataset (WBD), and (3) 1/3-arc-second 3D Elevation Program (3DEP) digital elevation model (DEM) data (at a 10-meter ground...
Authors
Richard Moore, Lucinda McKay, Alan Rea, Timothy Bondelid, Curtis Price, Thomas Dewald, Laura Hayes

The 3D Elevation Program—Supporting Tennessee’s economy The 3D Elevation Program—Supporting Tennessee’s economy

Introduction The State of Tennessee has an area of approximately 42,100 square miles and includes six physiographic regions: Blue Ridge, Valley and Ridge, Appalachian Plateaus, Highland Rim, Nashville Basin, and the Gulf Coastal Plains. Up-to-date elevation data support key activities across the State, such as economic development, infrastructure and construction management, agriculture...
Authors
George Heleine
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