Boundaries, structures, and transportation data products are currently available in Esri File Geodatabase 10.1 or Shapefile format. Use The National Map Downloader, The National Map Services, or download files staged at the below sites.
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How often are boundaries, structures, and transportation products and services updated in the National Map?
Since the USGS obtains most boundaries, structures, and transportation data from external sources, the frequency of updates depends on the release schedule of the source products.Boundaries - updates are variable.Structures - data content for map services is targeted for quarterly refresh cycles, while updated products are immediately available for download.Transportation - updates range from...
What sources were used to create the Boundaries, Structures and Transportation layers in The National Map?
Boundaries: Primary sources include the U.S. Census Bureau, Bureau of Land Management (BLM), International Boundary Commission (IBC) for the Canadian boundary, and the International Boundary and Water Commission (IBWC) for the Mexican boundary. Boundaries include city, county, State, Federal lands, provinces, and territories; as well as cadastral data (where applicable), associated with Public...
How do I download The National Map data products?
Download or access The National Map data products via several applications and websites: The National Map Download Client – The primary site for data downloads. See the training videos (lessons 4a-4d) or click the Help link at the top of the Downloader for detailed instructions. LidarExplorer – Lidar Point Cloud data only. See where lidar is available, get a list of downloadable products, and...
Is there a user guide on how to download data using The National Map?
See the online National Map Viewer Quick Start Guide. For brief instructions, click on the "How to" link at the top of The National Map Downloader. Training videos are also available.
The National Map—New data delivery homepage, advanced viewer, lidar visualization
US Topo Product Standard
Map projections
Related Content
- FAQ
How often are boundaries, structures, and transportation products and services updated in the National Map?
Since the USGS obtains most boundaries, structures, and transportation data from external sources, the frequency of updates depends on the release schedule of the source products.Boundaries - updates are variable.Structures - data content for map services is targeted for quarterly refresh cycles, while updated products are immediately available for download.Transportation - updates range from...
What sources were used to create the Boundaries, Structures and Transportation layers in The National Map?
Boundaries: Primary sources include the U.S. Census Bureau, Bureau of Land Management (BLM), International Boundary Commission (IBC) for the Canadian boundary, and the International Boundary and Water Commission (IBWC) for the Mexican boundary. Boundaries include city, county, State, Federal lands, provinces, and territories; as well as cadastral data (where applicable), associated with Public...
How do I download The National Map data products?
Download or access The National Map data products via several applications and websites: The National Map Download Client – The primary site for data downloads. See the training videos (lessons 4a-4d) or click the Help link at the top of the Downloader for detailed instructions. LidarExplorer – Lidar Point Cloud data only. See where lidar is available, get a list of downloadable products, and...
Is there a user guide on how to download data using The National Map?
See the online National Map Viewer Quick Start Guide. For brief instructions, click on the "How to" link at the top of The National Map Downloader. Training videos are also available.
- Multimedia
- Publications
The National Map—New data delivery homepage, advanced viewer, lidar visualization
As one of the cornerstones of the U.S. Geological Survey’s (USGS) National Geospatial Program, The National Map is a collaborative effort among the USGS and other Federal, State, and local partners to improve and deliver topographic information for the Nation. The National Map is featuring direct links to new and improved GIS data access utilities on a refreshed data delivery homepage at https://wAuthorsUS Topo Product Standard
This document defines a U.S. Geological Survey (USGS) digital topographic map. This map product series, named “US Topo,” is modeled on the now historical USGS 7.5-minute (1:24,000 scale) topographic map series produced and printed by the USGS from 1947 to 2006. US Topo maps have the same extent, scale, and general layout as the historical topographic maps. US Topo maps incorporate an orthorectifieAuthorsLarry R. Davis, Kristin A. Fishburn, Helmut Lestinsky, Laurence R. Moore, Jennifer L. WalterMap projections
A map projection is used to portray all or part of the round Earth on a flat surface. This cannot be done without some distortion. Every projection has its own set of advantages and disadvantages. There is no "best" projection. The mapmaker must select the one best suited to the needs, reducing distortion of the most important features. Mapmakers and mathematicians have devised almost limitless waAuthors - News