GIS Lookup: Detailed Data Layer Listing

Data Layer GraphicTitle: "National Atlas: Map Reference Data" (Dates Vary)
Description: The National Atlas provides hundreds of Geospatial data layers for download or online mapping. Most of the layers are produced by US Federal agencies, and are public domain, with no restrictions on use or sharing.

As of January, 2010, within the Map Reference category, the following layer(s) are listed:

  • Cities and Towns
  • Index to Digital Aerial Photographs
  • Index to Topographic Maps - 1:24,000 and Other Large Scales
  • Index to Topographic Maps - 1:100,000 Scale
  • Index to Topographic Maps - 1:250,000 Scale
  • Latitude/Longitude
  • North American Atlas - Populated Places
  • Urban Areas

For the most up to date version of these data, go to National Atlas Map Layers to read the full data descriptions and download the compressed data files.

Also, see NCSU Libraries Guide to National Atlas Data for information about other National Atlas data categories, older archived data versions, and file de-compression.

Keywords and Themes: 1:100000, 1:24000, 1:250000, Aerial Photos, Cities, Digital Orthophoto Quarter Quadrangles (DOQQ), Digital raster graphic (DRG), Index Maps, Latitude and Longitude Grids, Map References, Municipal Government, National Atlas, Populated Places, Reference Grids, Topographic Maps, Towns, Urban Areas
Filename Prefix: varies
FTP Download (NCSU Affiliates only):   
Download Instructions: In the ftp window that opens, search for and save locally all files with the above Filename Prefix.  
Map Drive and FTP Help
Mapped Drive Folder: /natatlas/
Total size of data files:
Data Type:
Feature Type: Varies
Coordinate System: Geographic Coordinates
Datum: NAD 83Map Units: Decimal Degrees

Spatial Extent: United States
Source Scale: Varies

Created by:
Released by:
Content Date:
Published Date:

Collection Name: National Atlas
Physical Location:
Call Number:
Acquired Date:
Distribution Restrictions: PUBLIC DOMAIN


Links to Metadata, Documentation, and Mapping:

Record ID: 3357_NatlAtl

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