What are the Terms of Use/Licensing for map services and data from The National Map?

We make every effort within our capacity to provide and maintain accurate, complete, usable, and timely data and information on our websites and map services. These data and information are provided with the understanding that they are not guaranteed to be correct or complete. Conclusions drawn from, or actions undertaken on the basis of such data and information are the sole responsibility of the user. Map services from The National Map are also not guaranteed to be operational 24 hours/seven days a week; however, we will support their operation during normal working hours Monday through Friday from 8:00 am to 5:00 pm CT.

Map services and data downloaded from The National Map are free and in the public domain. There are no restrictions; however, we request that the following acknowledgment statement of the originating agency be included in products and data derived from our map services when citing, copying, or reprinting: "Map services and data available from U.S. Geological Survey, National Geospatial Program." Please go to http://www.usgs.gov/visual-id/credit_usgs.html for further information and details regarding the USGS Visual Identity System.

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What sources of data are used to produce the standard 3DEP DEMs?

3DEP standard DEMs are produced from the highest quality elevation sources within the data holdings of the USGS National Geospatial Program. As of 2015, about 25% of the conterminous U.S. coverage is from high resolution lidar and photogrammetric source, while the remainder of CONUS and Hawaii coverage is from USGS topographic map contours. About...

What is the difference between tiled and dynamic services?

A tiled service contains cached tiles, which render the map in small tile images. This allows the map to perform much faster when panning and zooming, compared to a dynamic service. Dynamic is considered an "old" way of displaying web maps, where each feature is called from the source data and drawn separately for every pan and zoom. Tiled base...

How can I download vector data in bulk?

USGS does not currently offer vector downloads in bulk other than by special request only. For assistance, send an e-mail to tnm_help@usgs.gov , and include your contact information, requested product, requested area, and download format.

Is there a User Guide for The National Map viewer?

The Quick Start Guide for The National Map viewer can be found here . More Info: Tutorial videos

Can data from The National Map be used in mobile applications?

Data from The National Map (TNM) can be used in mobile applications through the usage of MOBAC, the Mobile Atlas Creator . MOBAC is a desktop ( not mobile ) application that will build local map caches of USGS TNM data for handheld devices, such as mobile Android phones, iPhones (iOS), and GPS. It works with the AlpineQuest , and TerraGo Edge...

Is there a user guide to how to use TNM Services?

Guidance is provided in a user guide on "How to Use The National Map Services".

Are there any costs or restrictions to usage of data downloaded from The National Map?

Data from The National Map is free and in the public domain. We use "Cart" terminology only as a tracking mechanism to maintain download statistics. There are no restrictions on downloaded data; however, we request that the following statement be used when citing, copying, or reprinting data: "Data available from U.S. Geological Survey, National...

Where is a Download User Guide for The National Map?

For more information, please go to the Download and Cart web page. Tutorial videos are also available for using The National Map Download Client in lessons 4a, 4b, and 4c. Guidance for using The National Map Download Manager is provided in lesson 4d.

How do I add KML or RSS Data to TNM viewer?

KML and RSS data (including GeoRSS), can be added using the Add Data tool. Data can be added by either file or URL/network link. For a list of KML tags that are supported, see the Advanced Tool Guide for KML Support in Palanterra TM X3 . Specific procedures are: 1) Click the Add Data tool in the Advanced toolbar. 2) Click the KML RSS button on the...

How do I add a Web Map Service (WMS) to TNM Viewer?

The WMS can be added with the following procedures: 1) Click the Add Data tool in the Advanced tab toolbar to open a dialog box. 2) Click the WMS button on the left side of the Add Data dialog box. 3) Enter a WMS URL. 4) Click the Add Data button. 5) Expand the layer that has been added under the Overlays pane in the User Added Content panel. 6)...

How can I submit a question or report issues regarding The National Map boundaries products and services?

Submit questions or report issues to the Service Desk at tnm_help@usgs.gov .

How can I submit a question or report issues about The National Map structures products and services?

Submit questions or report issues to TNM Service Desk at tnm_help@usgs.gov .
Filter Total Items: 5
Date published: February 8, 2017

Imagery Services Update to The National Map

The USGS announces the sunset of National Map High Resolution Orthoimagery Data and Service

Date published: November 18, 2015

Collect Points - Get The Patch

Using crowdsourcing techniques, the USGS project known as The National Map Corps (TNMCorps) encourages volunteer “citizen scientists” to collect manmade structure data such as police stations, schools, hospitals and cemeteries...

Date published: June 10, 2015

USGS Webinar: Using The National Map Services to Enable Your Web and Mobile Mapping Efforts

Are you a developer, firm, or organization using mobile or web applications to enable your users? The USGS has publicly available geospatial services and data to help your application development and enhancement.

Date published: July 17, 2014

What’s the Deal with 3DEP?

The USGS, along with other federal, state, local and private agencies is establishing a new 3D Elevation Program (3DEP) designed to respond to the growing needs for three-dimensional mapping data of the United States.

Date published: May 14, 2014

Meeting the Elevation Needs of the Nation

Want to know how elevation will benefit your state? The USGS National Geospatial Program is advancing the 3D Elevation Program, known as 3DEP, in response to the growing need for high-quality three-dimensional representations of the Nation’s natural and constructed features.

Filter Total Items: 7
November 13, 2017

Lesson 3b: The National Map Viewer Tool Functionality

Lesson 3b: The National Map Viewer Tool Functionality: Legend, Measure, Elevation Profile, and Spot Elevations. In this lesson, we will provide the user with a demonstration of functionality and capabilities of tools in The National Map Viewer.

November 13, 2017

Lesson 3a: The National Map Viewer Interface and Data Content

Lesson 3a: The National Map Viewer Interface and Data Content. In this lesson, we will provide the user with an overview and demonstration of the interface and data content of The National Map Viewer.

October 28, 2015

Using USGS The National Map Data on Mobile Devices

Lesson 6b: Using USGS The National Map Data on Mobile Devices - This video demonstrates several mobile applications that utilize USGS The National Map Data, as well as the Mobile Atlas Creator.

October 13, 2015

Downloading Data with The National Map Download Client

Lesson 4b: Downloading Data with The National Map Download Client - This video discusses the process of using The National Map Download Client to download data.

October 13, 2015

Downloading Maps with The National Map Download Client

Lesson 4c: Downloading Maps with The National Map Download Client - This video discusses the process of using The National Map Download Client to download maps.

October 4, 2015

Using The National Map Download Client

Lesson 4a: Using The National Map Download Client - This video provides a brief introduction to using The National Map Download Client interface.

USGS
May 12, 2009

What is the National Map?

Listen to hear the answer.