National Geospatial Program

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The mission of the National Geospatial Program is to provide National topographic information to advance science, support government, enlighten citizens, and enable decision making. The NGP provides a foundation of digital geospatial data representing the topography, natural landscape, and manmade environment of the United States. Accessible through The National Map Data Download, customers can incorporate NGP geospatial products and services into their decision making and operational activities.

Topographic Maps

Topographic Maps

US Topo maps and the Historical Topographic Map Collection (HTMC) are produced by the National Geospatial Program of the USGS.

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3D Elevation (3DEP)

3D Elevation (3DEP)

3DEP is a cooperative program with a goal of acquiring nationwide lidar (IfSAR in AK) by 2023 to provide the first-ever national baseline of consistent high-resolution elevation data – both bare earth and 3D point clouds.

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News

Date published: November 17, 2020

TNMCorps Mapping Challenge Summary Results for Schools in OH / MI / IN

Summary statistics are now available for this challenge. Thanks again to everyone who contributed!

Date published: November 11, 2020

Change Detection Implemented for WBD Downloadable Products

Watershed Boundary Dataset (WBD) downloadable products will now only be created when the national database has been edited.

Date published: November 10, 2020

NEW TNMCorps Mapping Challenge for Schools in MO!

TNMCorps Mapping Challenges shift to the Midwest with a new challenge for schools in Missouri!  Features participating in this challenge include General Schools, Elementary Schools, Middle Schools, and High Schools.

Publications

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Year Published: 2020

Elevation-derived hydrography acquisition specifications

Hydrographic features derived from U.S. Geological Survey (USGS) 3D Elevation Program data, and collected for use by the USGS, must meet the specifications described in this document. The specifications described herein pertain to the final product delivered to the USGS, not to methods used to derive the hydrographic features. The specifications...

Terziotti, Silvia; Archuleta, Christy-Ann
Terziotti, S., and Archuleta, C.M., 2020, Elevation-Derived Hydrography Acquisition Specifications: U.S. Geological Survey Techniques and Methods, book 11, chap. B11, 74 p., https://doi.org/10.3133/tm11B11.

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Year Published: 2020

Elevation-derived hydrography—Representation, extraction, attribution, and delineation rules

With the increasing availability of 3D Elevation Program (3DEP) quality high resolution elevation data across the United States and the pressing need for better integrated elevation and hydrography data, the U.S. Geological Survey is developing guidance to improve the horizontal and vertical alignment of these datasets. The U.S. Geological Survey...

Archuleta, Christy-Ann; Terziotti, Silvia
Archuleta, C.M., and Terziotti, S., 2020, Elevation-Derived Hydrography—Representation, Extraction, Attribution, and Delineation Rules: U.S. Geological Survey Techniques and Methods, book 11, chap. B12, 60 p., https://doi.org/ 10.3133/ tm11B12.

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Year Published: 2020

NHDPlus High Resolution (NHDPlus HR)---A hydrography framework for the Nation

Reliable and accurate high-resolution mapping of the Nation’s waters are critical inputs to models and decision support systems used to predict risk and enable response to impacts on water resources. It is necessary to know where the water is and how it relates to features beyond the stream network like forests, cities, and infrastructure. An up-...

Buto, Susan G.; Anderson, Rebecca D.
Buto, S.G., and Anderson, R.D., 2020, NHDPlus High Resolution (NHDPlus HR)---A hydrography framework for the Nation: U.S. Geological Survey Fact Sheet 2020-3033, 2 p., https://doi.org/10.3133/fs20203033.