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NGTOC - Denver, CO and Rolla, MO

National Geospatial Technical Operations Center

The U.S. Geological Survey National Geospatial Technical Operations Center (NGTOC) provides leadership and world-class technical expertise in the acquisition and management of trusted geospatial data, services, and map products for the Nation. NGTOC supports The National Map as part of the National Geospatial Program (NGP). 

The National Map

Lookout Mountain and the Tennessee River, Chattanooga, TN

The National Map is a collaborative effort among the USGS and partners to improve and deliver topographic information for the Nation. The NGTOC creates, maintains and publishes the products and services of The National Map.

Products & Services

The National Map Training Videos

Participant in LCMAP workshop looks at computer screen

The National Geospatial Program has released a series of “how to” videos for people who are working with The National Map data and services.  The videos show how to use the services and interfaces to access data and tools.

Visit videos page

News

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NEW TNMCorps Mapping Challenge for Schools in New Mexico!

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FINISHED!! TNMCorps Mapping Challenge for Ambulances Without an Edit History in Washington and Oregon

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TNMCorps Mapping Challenge Summary Results for Ambulances in Washington and Oregon

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Publications

Comparing line feature morphology with scale specific sinuosity distributions: A modified earth mover’s distance

No abstract available.
Authors
Barry J. Kronenfeld, Barbara Buttenfield, Ethan J. Shavers, Larry Stanislawski
By
Core Science Systems Mission Area, National Geospatial Program, Center of Excellence for Geospatial Information Science (CEGIS), National Geospatial Technical Operations Center

The accuracy and consistency of 3D Elevation Program data: A systematic analysis

The 3D Elevation Program (3DEP) has created partnership opportunities to increase the collection of high-resolution elevation data across the United States, eventually leading to complete coverage of high-resolution, three-dimensional (3D) information from light detection and ranging (lidar) data across the entire country (interferometric synthetic aperture radar in Alaska). While 3DEP data are co
Authors
Jason M. Stoker, Barry Miller
By
National Geospatial Program, 3D Elevation Program, National Geospatial Technical Operations Center

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 describe the collection area, spatial reference syst
Authors
Silvia Terziotti, Christy-Ann Archuleta
By
Core Science Systems Mission Area, National Geospatial Program, South Atlantic Water Science Center (SAWSC), National Geospatial Technical Operations Center, National Hydrography, NGP Standards and Specifications
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