The National Map Viewer and Download Platform

Click Here to Open Viewer

Help - QuickStart, Frequently Asked Questions (FAQs), Contact Us

Below, please find mashup examples of how The National Map Services and other Science, National, Local, or Emergency services can be used to create online maps in The National Map viewer or using other viewers.

The first three featured mashups are the top recognized mashup submissions that were part of The National Map User Conference (2011) Mashathon event as recognized by their peers. The categories were: Earth Science; Local, Tribal, Project Case Study; and Innovative Technology. Other examples are featured collaborations between The National Map and the project area. >> more

Earth Science: New USGS Earthquake basemap service using The National Map base data	Innovative Tech : Re-Usable Web based The National Map NHD Network Tracing Components	Local, Tribal, Project Case Study: WestChester County, New York, using The National Map Services in ArcGIS Explorer	U.S. - Mexico Border Environmental Health Initiative - borderhealth.cr.usgs.gov

Event Mashups highlight Emergency Response, Special Event, or Conferences Demonstrations. These mashups are not necessarily hosted or made by, but are using The National Map. For finding The National Map Hazard Digital Data Special Products library as hosted on HDDS, click more. >> more

Active Hazards USGS is tracking	Weather & Warnings	USGS Stream Gauge Status with TNM Hydrographic Basemap Service	Hurricane Irene Flex Mapping Viewer by USGS WiM Group with TNM Basemap Services Option

These Maps Show The National Map in other viewers or initial setups or 'instances' for different user communities.

The National Map in Openlayers Demo	The National Map in ArcGIS.com	National Hydrographic Dataset (NHD) [TNM Viewer]	US Topo Download View [TNM Viewer]
Historical Scanned maps [TNM Viewer]	Federal Lands [TNM Viewer]	Public Land Survey (BLM PLSS) [TNM Viewer]	National Land Cover Dataset [TNM Viewer]
Start with a blank canvas [TNM Viewer]

These are earth science data services and applications from other Federal Science Programs combined with The National Map (TNM) Services. >> more

USGS GAP Land Cover [TNM Viewer]	USGS Protected Area Conservation Status [TNM Viewer]	Sciencebase.gov - the USGS Science Data Catalog [USGS Viewer]	National Ground Water Monitoring Network Data Portal (BETA) [USGS Viewer]
USDA Soil Survey Geographic (SSURGO) [ArcGIS.com]	Geologic Map of North America [ArcGIS.com]	Use of TNM Data to Detect Significant Topographic Changes [USGS Viewer]	View the USGS Vegetation Characterization data by National Park [TNM Viewer]
USGS Terresterial Ecosystems [TNM Viewer]	US FWS Wetlands and Riparian Status [TNM Viewer]

Mashups showcasing different The National Map basemaps and service overlays across varying locations showing points of interest, landmarks, etc.

Mount St. Helens	Mount Rushmore, South Dakota	Los Angeles International Airport, Los Angeles, California	Fort Ticonderoga, New York
Search all the 'Springfields' across the country	Grand Canyon	Fenway Park	Statue of Liberty

These are legacy The National Map viewers that either have been retired or will be retired soon. The popular functionality and capability of these viewers will be maintained in the new viewers

Being Migrated - Legacy 'TNM Seamless' Raster Download Viewer [NOTE: Functionality now supported in main TNM Viewer]

Replaced - The National Map Legacy Viewer [NOTE: Functionality now supported in main TNM Viewer]

Replaced - The National Map 'National Hydrography Dataset' Viewer contains our most up-to-date, full featured hydrography data