View Metadata
Unites States County Boundaries (With Shorelines), 2013
- Identification Information
- Data Quality Information
- Spatial Data Organization Information
- Spatial Reference Information
- Entity and Attribute Information
- Distribution Information
- Metadata Reference Information
- Identification Information
- Citation
- Originator
- United States. Bureau of Transportation Statistics
- Originator
- United States. Bureau of the Census. Geography Division
- Publication Date
- 2011
- Title
- Unites States County Boundaries (With Shorelines), 2013
- Edition
- 2013
- Geospatial Data Presentation Form
- vector digital data
- Online Linkage
- http://www.columbia.edu/acis/eds/gis/images/ntad_2013_county.zip
- Abstract
- County boundaries with shorelines cut in. The TIGER/Line Files are shapefiles and related database files (.dbf) that are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line File is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. The primary legal divisions of most States are termed counties. In Louisiana, these divisions are known as parishes. In Alaska, which has no counties, the equivalent entities are the organized boroughs, city and boroughs, and municipalities, and for the unorganized area, census areas. The latter are delineated cooperatively for statistical purposes by the State of Alaska and the Census Bureau. In four States (Maryland, Missouri, Nevada, and Virginia), there are one or more incorporated places that are independent of any county organization and thus constitute primary divisions of their States. These incorporated places are known as independent cities and are treated as equivalent entities for purposes of data presentation. The District of Columbia and Guam have no primary divisions, and each area is considered an equivalent entity for purposes of data presentation. The Census Bureau treats the following entities as equivalents of counties for purposes of data presentation: Municipios in Puerto Rico, Districts and Islands in American Samoa, Municipalities in the Commonwealth of the Northern Mariana Islands, and Islands in the U.S. Virgin Islands. The entire area of the United States, Puerto Rico, and the Island Areas is covered by counties or equivalent entities. The 2010 Census boundaries for counties and equivalent entities are as of January 1, 2010, primarily as reported through the Census Bureau's Boundary and Annexation Survey (BAS).
- Purpose
- In order for others to use the information in the Census MAF/TIGER database in a geographic information system (GIS) or for other geographic applications, the Census Bureau releases to the public extracts of the database in the form of TIGER/Line Shapefiles.
- Temporal Extent
- Currentness Reference
- publication date
- Time Instant
- 2012
- Bounding Box
- West
- -179.168566
- East
- 179.748709
- North
- 71.389610
- South
- -14.599758
- Theme Keyword
- line
- boundaries
- county
- polygon
- Theme Keyword Thesaurus
- ISO 19115 Topic Categories
- Theme Keyword
- Polygon
- State or equivalent entity
- Theme Keyword Thesaurus
- None
- Place Keyword
- United States
- Place Keyword Thesaurus
- Library of Congress Subject Headings
- Temporal Keyword
- 2013
- Temporal Keyword Thesaurus
- None
- Access Restrictions
- None
- Use Restrictions
- None
- Status
- Complete
- Maintenance and Update Frequency
- As needed
- Point of Contact
- Contact Organization
- Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
- Delivery Point
- 1200 New Jersey Ave, SE
- City
- Washington
- State
- DC
- Postal Code
- 20590
- Country
- US
- Contact Telephone
- 202-366-DATA
- Contact Facsimile Telephone
- 202-366-3640
- Contact Electronic Mail Address
- answers@bts.gov
- Point of Contact
- Contact Organization
- U.S. Department of Commerce, U.S. Census Bureau, Geography Division
- Cross-Reference
- Online Linkage
- http://www.bts.gov/programs/geographic_information_services/
- Data Quality Information
- Attribute Accuracy Report
- Accurate against Federal Information Processing Standards (FIPS), FIPS Publication 6-4, and FIPS-55 at the 100% level for the codes and base names. The remaining attribute information has been examined but has not been fully tested for accuracy.
- Logical Consistency Report
- The Census Bureau performed automated tests to ensure logical consistency and limits of shapefiles. Segments making up the outer and inner boundaries of a polygon tie end-to-end to completely enclose the area. All polygons are tested for closure. The Census Bureau uses its internally developed geographic update system to enhance and modify spatial and attribute data in the Census MAF/TIGER database. Standard geographic codes, such as FIPS codes for states, counties, municipalities, county subdivisions, places, American Indian/Alaska Native/Native Hawaiian areas, and congressional districts are used when encoding spatial entities. The Census Bureau performed spatial data tests for logical consistency of the codes during the compilation of the original Census MAF/TIGER database files. Most of the codes for geographic entities except states, counties, urban areas, Core Based Statistical Areas (CBSAs), American Indian Areas (AIAs), and congressional districts were provided to the Census Bureau by the USGS, the agency responsible for maintaining FIPS 55. Feature attribute information has been examined but has not been fully tested for consistency. For the TIGER/Line Shapefiles, the Point and Vector Object Count for the G-polygon SDTS Point and Vector Object Type reflects the number of records in the shapefile attribute table. For multi-polygon features, only one attribute record exists for each multi-polygon rather than one attribute record per individual G-polygon component of the multi-polygon feature. TIGER/Line Shapefile multi-polygons are an exception to the G-polygon object type classification. Therefore, when multi-polygons exist in a shapefile, the object count will be less than the actual number of G-polygons.
- Completeness Report
- Data completeness of the TIGER/Line Shapefiles reflects the contents of the Census MAF/TIGER database at the time the TIGER/Line Shapefiles were created.
- Lineage
- Source
- Originator
- U.S. Department of Commerce, U.S. Census Bureau, Geography Division
- Publication Date
- unpublished material
- Title
- Census MAF/TIGER database
- Online Linkage
- http://www.bts.gov/programs/geographic_information_services/
- Type of Source Media
- onLine
- Source Temporal Extent
- Time Period Information
- Range of Dates/Times
- Beginning Date
- 20100101
- Ending Date
- 20100701
- Source Currentness Reference
- publication date
- Contribution
- The selected geographic and cartographic information (line segments) are derived from the U.S. Census Bureau's Master Address File Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) database.
- Spatial Data Organization Information
- Indirect Spatial Reference Method
- Federal Information Processing Standards (FIPS), ANSI, and feature names.
- Direct Spatial Reference Method
- Vector
- Point and Vector Object Information
- SDTS Terms Description
- SDTS Point and Vector Object Type
- GT-polygon composed of chains
- Point and Vector Object Count
- 3234
- Spatial Reference Information
- Horizontal Coordinate System Definition
- Geographic
- Latitude Resolution
- 8.983152841195215e-009
- Longitude Resolution
- 8.983152841195215e-009
- Geographic Coordinate Units
- Decimal Degrees
- Geodetic Model
- Horizontal Datum Name
- D WGS 1984
- Ellipsoid Name
- WGS 1984
- Semi-major Axis
- 6378137.0
- Denominator of Flattening Ratio
- 298.257223563
- Entity and Attribute Information
- Entity Type
- Entity Type Label
- county
- Entity Type Definition
- ESRI shapefile of the United States counties
- Entity Type Definition Source
- ESRI and RITA/BTS
- Attributes
- FID
- Internal feature number. (Sequential unique whole numbers that are automatically generated.)
- Definition Source
- ESRI
- Shape
- Feature geometry.
- "polygon"
- A "polygon" is an area feature comprised of points and line segments.
- Definition Source
- ESRI
- STFIPS
- State FIPS code (Federal Information Processing Standard, Publication 6-4National Institute for Standards and Technology)
- Definition Source
- Bureau of the Census (BOC)
- CTFIPS
- County FIPS code (Federal Information Processing Standard, Publication 6-4National Institute for Standards and Technology)
- Definition Source
- Bureau of the Census (BOC)
- STATE
- State name (Offical List of State NamesBureau of the Census (BOC))
- Definition Source
- Bureau of the Census (BOC)
- COUNTY
- County name (Official List of U.S. County NamesBureau of the Census (BOC))
- Definition Source
- Bureau of the Census (BOC)
- Distribution Information
- Distributor
- Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)
- Online Access
- http://www.census.gov/geo/www/tiger
- Name
- Metadata Reference Information
- Metadata Date
- 20140925
- Metadata Contact
- Contact Information
- Contact Organization Primary
- Contact Organization
- Research Data Services (RDS), Columbia University Libraries
- Contact Person
- GIS/Metadata Librarian
- Contact Address
- Address
- 420 W. 118th St., 215 IAB, MC 3301
- City
- New York
- State or Province
- NY
- Postal Code
- 10027
- Country
- USA
- Contact Voice Telephone
- (212)854-6012
- Contact Electronic Mail Address
- data@library.columbia.edu
- Metadata Standard Name
- FGDC Content Standard for Digital Geospatial Metadata
- Metadata Standard Version
- FGDC-STD-001-1998
