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2000 county boundaries of the United States

Identification Information
Citation
Originator
Geological Survey (U.S.)
Publication Date
200207
Title
2000 county boundaries of the United States
Geospatial Data Presentation Form
vector digital data
Collection Title
Global GIS : global coverage
Publication Information
Publication Place
Reston, VA
Publisher
U.S. Geological Survey
Online Linkage
https://hgl.harvard.edu/catalog/harvard-glb-co-usa
Abstract
This map layer portrays the 2000 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was created by extracting county polygon features from the individual 1:2,000,000-scale State boundary Digital Line Graph (DLG) files produced by the U.S. Geological Survey. These files were then merged into a single file. This is a revised version of the January 2002 data set. This version of the data set was published as part of the USGS Global GIS : global coverage database (2003). The USGS Global GIS database contains a wealth of USGS and other public domain data, including global coverages of elevation, landcover, seismicity, and resources of minerals and energy at a nominal scale of 1:1 million. The U.S. Geological Survey (USGS) and The American Geological Institute (AGI) announced a cooperative agreement that will focus on making the USGS Global Geographic Information System (GIS) database readily available to educators and the general public in the form of a DVD based world atlas.
Purpose
These data are intended for geographic display and analysis at the national level, and for large regional areas. The data should be displayed and analyzed at scales appropriate for 1:2,000,000-scale data. No responsibility is assumed by the U.S. Geological Survey in the use of these data.
Temporal Extent
Currentness Reference
ground condition
Time Period
Beginning
1972
End
2000
Bounding Box
West
-179.133392
East
179.788208
North
71.398048
South
17.674692
ISO Topic Category
Boundaries
Theme Keyword
Boundaries
Boundaries, State
Counties
Theme Keyword Thesaurus
LCSH
Place Keyword
United States
Place Keyword Thesaurus
LCSH
Temporal Keyword
Access Restrictions
None
Use Restrictions
Acknowledgment of the National Atlas of the United States of America and (or) the U.S. Geological Survey would be appreciated in products derived from these data.
Status
Complete
Maintenance and Update Frequency
Irregular
Point of Contact
Contact Person
Woodley Chu
Delivery Point
561 National Center
Delivery Point
MS 561
City
Reston
State
VA
Postal Code
20192
Country
USA
Contact Telephone
703-648-6375
Contact Electronic Mail Address
atlasmail@usgs.gov
Native Data Set Environment
Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 4; ESRI ArcCatalog 9.1.0.722
Collection
Originator
American Geological Institute
Originator
Geological Survey (U.S)
Originator
Environmental Systems Research Institute (Redlands, Calif.)
Originator
Hearn, Paul P.
Publication Date
2003
Title
Global GIS : global coverage
Geospatial Data Presentation Form
digital data
Series Information
Series Name
U.S. Geological Survey digital data series
Issue Identification
DDS-62A-H
Publication Information
Publication Place
[Alexandria, VA]
Publisher
American Geological Institute
Other Citation Details
1 DVD-ROM; Developed by the U.S. Geological Survey; Published by the American Geological Institute; by P. Hearn ... [et al.].
Data Quality Information
Logical Consistency Report
The map layer was checked for topological consistency using the Arc/INFO command BUILD. No other checks for logical consistency were performed on this map layer.
Completeness Report
This data set includes county boundaries for all 50 States, Puerto Rico, and the U.S. Virgin Islands. Data completeness generally reflects the content of the original DLG files.
Lineage
Source
Originator
U.S. Geological Survey
Publication Date
1995
Title
1:2,000,000-scale Digital Line Graph Data - Boundaries
Publication Information
Publication Place
Reston, VA
Publisher
U.S. Geological Survey
Source Scale Denominator
2000000
Type of Source Media
CD-ROM
Source Temporal Extent
Time Period Information
Range of Dates/Times
Beginning Date
1970
Ending Date
1995
Source Currentness Reference
ground condition
Contribution
Spatial and attribute information
Source
Originator
National Atlas of the United States
Publication Date
1998
Title
County Boundaries of the United States
Publication Information
Publication Place
Reston, VA
Publisher
National Atlas of the United States
Source Scale Denominator
2000000
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
1998
Source Currentness Reference
Publication date
Contribution
Spatial and attribute information
Source
Originator
National Atlas of the United States
Publication Date
1999
Title
Hydrography Features of the United States
Publication Information
Publication Place
Reston, VA
Publisher
National Atlas of the United States
Source Scale Denominator
2000000
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
1999
Source Currentness Reference
Publication date
Contribution
Spatial information
Source
Originator
National Atlas of the United States
Publication Date
19990326
Title
County Boundaries of the United States
Publication Information
Publication Place
Reston, VA
Publisher
National Atlas of the United States
Source Scale Denominator
2000000
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
1999
Source Currentness Reference
Publication date
Contribution
Spatial and attribute information
Source
Originator
U.S. Geological Survey
Publication Date
Unknown
Title
1:100,000-scale USGS topographic maps
Publication Information
Publication Place
Reston, VA
Publisher
U.S. Geological Survey
Source Scale Denominator
100000
Type of Source Media
Paper
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
Unknown
Source Currentness Reference
Publication date
Contribution
Spatial and attribute information
Source
Originator
U.S. Geological Survey
Publication Date
1999
Title
Geographic Names Information System
Publication Information
Publication Place
Reston, VA
Publisher
U.S. Geological Survey
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
1999
Source Currentness Reference
Publication date
Contribution
Attribute information
Source
Originator
National Atlas of the United States
Publication Date
199911
Title
County Boundaries of the United States
Publication Information
Publication Place
Reston, VA
Publisher
National Atlas of the United States
Source Scale Denominator
2000000
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
199911
Source Currentness Reference
Publication date
Contribution
Spatial and attribute information
Source
Originator
National Atlas of the United States
Publication Date
200102
Title
County Boundaries of the United States
Publication Information
Publication Place
Reston, VA
Publisher
National Atlas of the United States
Source Scale Denominator
2000000
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Range of Dates/Times
Beginning Date
1972
Ending Date
1999
Source Currentness Reference
Ground condition
Contribution
Spatial and attribute information
Source
Originator
Department of Commerce, Census Bureau, Geography Division
Publication Date
200201
Title
2000 County and County Equivalent Areas
Publication Information
Publication Place
Washington, DC
Publisher
Department of Commerce, Census Bureau, Geography Division
Online Linkage
http://www.census.gov/geo/www/cob/co2000.html
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
200201
Source Currentness Reference
Publication date
Contribution
Spatial information
Source
Originator
National Atlas of the United States
Publication Date
200202
Title
County Boundaries of the United States
Publication Information
Publication Place
Reston, VA
Publisher
National Atlas of the United States
Source Scale Denominator
2000000
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Range of Dates/Times
Beginning Date
1972
Ending Date
2000
Source Currentness Reference
Ground condition
Contribution
Spatial and attribute information
Source
Originator
National Atlas of the United States
Publication Date
200206
Title
County Boundaries of the United States
Publication Information
Publication Place
Reston, VA
Publisher
National Atlas of the United States
Source Scale Denominator
2000000
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
200206
Source Currentness Reference
Publication date
Contribution
Spatial and attribute information
Source
Originator
U.S. Census Bureau
Publication Date
2000
Title
Square miles per County, 2000
Publication Information
Publication Place
Washington, DC
Publisher
U.S. Census Bureau
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
20000401
Source Currentness Reference
Ground condition
Contribution
Attribute information
Source
Originator
National Atlas of the United States
Publication Date
200207
Title
2000 County Boundaries of the United States
Publication Information
Publication Place
Reston, VA
Publisher
National Atlas of the United States
Source Scale Denominator
2000000
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
200202
Source Currentness Reference
Publication date
Contribution
Spatial and attribute information
Source
Originator
U.S. Geological Survey
Publication Date
2004
Title
Geographic Names Information System
Publication Information
Publication Place
Reston, VA
Publisher
U.S. Geological Survey
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
2004
Source Currentness Reference
Publication date
Contribution
Attribute information
Source
Originator
National Atlas of the United States
Publication Date
200411
Title
2000 County Boundaries of the United States
Publication Information
Publication Place
Reston, VA
Publisher
National Atlas of the United States
Source Scale Denominator
2000000
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
200411
Source Currentness Reference
Publication date
Contribution
Spatial and attribute information
Source
Originator
U.S. Geological Survey
Publication Date
2005
Title
Geographic Names Information System
Publication Information
Publication Place
Reston, VA
Publisher
U.S. Geological Survey
Type of Source Media
Online
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
2005
Source Currentness Reference
Publication date
Contribution
Attribute information
Source
Originator
National Atlas of the United States
Publication Date
200301
Title
Streams and Waterbodies of the United States
Publication Information
Publication Place
Reston, VA
Publisher
National Atlas of the United States
Source Scale Denominator
2000000
Type of Source Media
online
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
200301
Source Currentness Reference
publication date
Contribution
Spatial and attribute information
Spatial Data Organization Information
Indirect Spatial Reference Method
U.S. Department of Commerce, 1987, Codes for the Identification of the States, the District of Columbia and the Outlying Areas of the United States, and Associated Areas (FIPS 5-2): Washington, DC, National Institute of Standards and Technology. U.S. Department of Commerce, 1990, Counties and Equivalent Entities of the United States, Its Possessions, and Associated Areas (FIPS 6-4): Washington, DC, National Institute of Standards and Technology.
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
6138
Spatial Reference Information
Horizontal Coordinate System Definition
Geographic
Latitude Resolution
0.000278
Longitude Resolution
0.000278
Geographic Coordinate Units
Decimal degrees
Geodetic Model
Horizontal Datum Name
North American Datum of 1983
Ellipsoid Name
GRS1980
Semi-major Axis
6378137
Denominator of Flattening Ratio
298.257222
Vertical Coordinate System Definition
Altitude System Definition
Altitude Datum Name
Unknown
Altitude Resolution
1.000000
Altitude Distance Units
Unknown
Altitude Encoding Method
Explicit elevation coordinate included with horizontal coordinates
Entity and Attribute Information
Entity Type
Entity Type Label
2000 County (described by Co2000p020.dbf)
Entity Type Definition
The second order division of a nation, such as a parish, borough, municipio, judicial division, and independent cities in Maryland, Missouri, Nevada, and Virginia. The boundaries are valid as of 2000.
Entity Type Definition Source
U.S. Geological Survey
Attributes
MARC.GLB_CO_USA.AREA
The size of the shape in coverage units. (0 to 73.832)
Definition Source
U.S. Geological Survey
PERIMETER
The perimeter of the shape in coverage units. (0.010 to 87.571)
Definition Source
U.S. Geological Survey
CO2000P020
Internal feature number. (2 to 6139)
Definition Source
U.S. Geological Survey
STATE
The two-character abbreviation for the name of the State or State equivalent in which the county is located. (Codes for the Identification of the States, the District of Columbia and the Outlying Areas of the United States, and Associated Areas; (Federal Information Processing Standard (FIPS) 5-2): Washington, DC, National Institute of Standards and Technology.U.S. Department of Commerce)
Definition Source
U.S. Geological Survey
COUNTY
The name of the county or county equivalent. (Counties and Equivalent Entities of the United States, Its Possessions, and Associated Areas; (Federal Information Processing Standard (FIPS) 6-4): Washington, DC, National Institute of Standards and Technology.U.S. Department of Commerce)
Definition Source
U.S. Geological Survey
FIPS
The 5-digit FIPS code of the county or county equivalent. Codes ending in 000 indicate water areas for which a county designation is not reported. (Counties and Equivalent Entities of the United States, Its Possessions, and Associated Areas; (Federal Information Processing Standard (FIPS) 6-4): Washington, DC, National Institute of Standards and Technology.U.S. Department of Commerce)
Definition Source
U.S. Geological Survey
STATE_FIPS
The 2-digit FIPS code of the State or State equivalent. (Codes for the Identification of the States, the District of Columbia and the Outlying Areas of the United States, and Associated Areas; (Federal Information Processing Standard (FIPS) 5-2): Washington, DC, National Institute of Standards and Technology.U.S. Department of Commerce)
Definition Source
U.S. Geological Survey
SQUARE_MIL
The size of the county or county equivalent in square miles. This value was provided by the U.S. Census Bureau. There are no values given for the U.S. Virgin Islands and areas covered by water. (0 to 145899.680)
Definition Source
U.S. Geological Survey
SHAPE
The representation of the entity in the data.
Polygon
2-dimensional element
Definition Source
U.S. Geological Survey
SHAPE.AREA
The size of the shape in coverage units. (0 to 73.832)
Definition Source
U.S. Geological Survey
SHAPE.LEN
The perimeter of the shape in coverage units. (.009617 to 87.570976)
Definition Source
U.S. Geological Survey
SHAPE.FID
Internal feature number. (Sequential unique whole numbers that are automatically generated.)
Definition Source
ESRI
Distribution Information
Format Name
Shape
Distributor
Harvard Geospatial Library
Online Access
http://hgl.harvard.edu/
Name
Metadata Reference Information
Metadata Date
20060202
Metadata Contact
Contact Information
Contact Organization Primary
Contact Organization
Harvard Geospatial Library
Contact Position
Geospatial Resources Cataloger
Contact Address
Address
Harvard University Library
Address
Office For Information Systems
Address
1280 Massachusetts Avenue
City
Cambridge
State or Province
MA
Postal Code
02138
Country
USA
Contact Voice Telephone
617-495-2417
Contact Facsimile Telephone
617-496-0440
Contact Electronic Mail Address
hgl_ref@hulmail.harvard.edu
Hours of Service
Monday - Friday, 9:00 am - 4:00 pm EST-USA
Metadata Standard Name
FGDC Content Standards for Digital Geospatial Metadata
Metadata Standard Version
FGDC-STD-001-1998
Metadata Extensions
Online Linkage
http://www.esri.com/metadata/esriprof80.html
Profile Name
ESRI Metadata Profile
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