Resources

By The National Map Corps

TNMCorps has a variety of resources available to guide volunteers through the editing process. Each of these are online and in an easy-to-use format.

Read the User Guide

Map Editor Resources

Map Editor Q&A

Structures We Collect

About our feature types

Learn More

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  Supporting Themes
  
  Supporting themes for The National Map (TNM) include Transportation, Structures, Boundaries, Imagery, Land Cover, and Small-Scale datasets.
  
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  Supporting Themes
  
  Supporting themes for The National Map (TNM) include Transportation, Structures, Boundaries, Imagery, Land Cover, and Small-Scale datasets.
  
  Learn More
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  The National Map
  
  As a cornerstone of the U.S. Geological Survey's National Geospatial Program (NGP), The National Map (TNM) is a collaborative effort among the USGS and governmental, academic, non-profit, and industry partners to improve and deliver topographic information for the Nation.
  
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  The National Map
  
  As a cornerstone of the U.S. Geological Survey's National Geospatial Program (NGP), The National Map (TNM) is a collaborative effort among the USGS and governmental, academic, non-profit, and industry partners to improve and deliver topographic information for the Nation.
  
  Learn More
- National Geospatial Technical Operations Center
  
  The U.S. Geological Survey National Geospatial Technical Operations Center (NGTOC), under the National Geospatial Directorate (NGD), provides leadership and world-class technical expertise in the acquisition and management of trusted geospatial data, services and map products for the Nation. The NGTOC supports a variety of topographic mapping products and services that constitute The National Map.
- 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.
- U.S. Board on Geographic Names
  
  The U.S. Board on Geographic Names (BGN) is a Federal body created in 1890 and established in its present form by Public Law in 1947 to maintain uniform geographic name usage throughout the Federal Government. The BGN comprises representatives of Federal agencies concerned with geographic information, population, ecology, and management of public lands.
- The National Map - Data Delivery
  
  The National Map Data Download and Visualization Services This site provides applications and web map services for "Topographic Information for the Nation". This information includes topographic maps and geographic information system (GIS) data for elevation, hydrography, watersheds, geographic names, orthoimagery, governmental units/boundaries, transportation, and land cover.