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Metadata for the Roads Map Layer
Roads: Map Layer Description File
This map layer includes major roads in the United States. The Roads map layer was
compiled by the U.S. Geological Survey.
Metadata
What follows is very detailed technical information about this map layer. This is often
called metadata. Metadata (or "data about data") describe the content, quality,
condition, and other characteristics of data. Metadata are used to organize and maintain
investments in data, to provide information to data catalogs and clearinghouses, and to
aid data transfers. The Federal Geographic Data Committee
(FGDC) publishes the Content Standard
for Digital Geospatial Metadata. Many organizations within and outside of the federal
government have adopted the FGDC metadata standard and are using automated indexing and
serving mechanisms to provide access to their holdings through the Internet. Visit the FGDC Clearinghouse to
learn more about how metadata is used in clearinghouses and to search for other data sets.
- Identification_Information:
- Citation:
- Citation_Information:
- Originator: U.S. Geological Survey
- Publication_Date: 1999
- Title: Major Roads of the United States
- Publication_Information:
- Publication_Place: Reston, Virginia
- Publisher: U.S. Geological Survey
- Description:
- Abstract:
- The data set portrays the major roads in the United States, Puerto Rico, and the U.S.
Virgin Islands. The file was produced by joining the individual State roads layers from
the 1:2,000,000-scale Digital Line Graph (DLG) data produced by the USGS. This is a
revised version of the June 1998 data set.
- 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.
- Time_Period_of_Content:
- Time_Period_Information:
- Range_of_Dates/Times:
- Beginning_Date: 1972
- Ending_Date: 1996
- Currentness_Reference: publication date
- Status:
- Progress: Complete
- Maintenance_and_Update_Frequency: Irregular
- Spatial_Domain:
- Bounding_Coordinates:
- West_Bounding_Coordinate: 170
- East_Bounding_Coordinate: -64
- North_Bounding_Coordinate: 72
- South_Bounding_Coordinate: 17
- Keywords:
- Theme:
- Theme_Keyword_Thesaurus: None
- Theme_Keyword: roads
- Theme_Keyword: highways
- Theme_Keyword: Interstate highway
- Place:
- Place_Keyword_Thesaurus:
- 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
(Federal Information Processing Standard 5-2): Washington, D.C., National Institute of
Standards and Technology.
- Place_Keyword: USA
- Place_Keyword: Alaska
- Place_Keyword: Alabama
- Place_Keyword: Arkansas
- Place_Keyword: Arizona
- Place_Keyword: California
- Place_Keyword: Colorado
- Place_Keyword: Connecticut
- Place_Keyword: Delaware
- Place_Keyword: District of Columbia
- Place_Keyword: Florida
- Place_Keyword: Georgia
- Place_Keyword: Hawaii
- Place_Keyword: Idaho
- Place_Keyword: Iowa
- Place_Keyword: Illinois
- Place_Keyword: Indiana
- Place_Keyword: Kansas
- Place_Keyword: Kentucky
- Place_Keyword: Louisiana
- Place_Keyword: Maine
- Place_Keyword: Massachusetts
- Place_Keyword: Maryland
- Place_Keyword: Michigan
- Place_Keyword: Minnesota
- Place_Keyword: Missouri
- Place_Keyword: Mississippi
- Place_Keyword: Montana
- Place_Keyword: North Carolina
- Place_Keyword: North Dakota
- Place_Keyword: Nebraska
- Place_Keyword: New Hampshire
- Place_Keyword: New Jersey
- Place_Keyword: New Mexico
- Place_Keyword: Nevada
- Place_Keyword: New York
- Place_Keyword: Ohio
- Place_Keyword: Oklahoma
- Place_Keyword: Oregon
- Place_Keyword: Pennsylvania
- Place_Keyword: Rhode Island
- Place_Keyword: South Carolina
- Place_Keyword: South Dakota
- Place_Keyword: Tennessee
- Place_Keyword: Texas
- Place_Keyword: Utah
- Place_Keyword: Vermont
- Place_Keyword: Virginia
- Place_Keyword: Wisconsin
- Place_Keyword: Washington
- Place_Keyword: West Virginia
- Place_Keyword: Wyoming
- Place_Keyword: Puerto Rico
- Place_Keyword: Virgin Islands
- Access_Constraints: None
- Use_Constraints:
- None. 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.
- Point_of_Contact:
- Contact_Information:
- Contact_Person_Primary:
- Contact_Person: Steve Kambly
- Contact_Organization: U.S. Geological Survey
- Contact_Address:
- Address_Type: mailing address
- Address: 561 National Center
- City: Reston
- State_or_Province: VA
- Postal_Code: 20192
- Contact_Voice_Telephone: 703-648-5094
- Contact_Electronic_Mail_Address: skambly@usgs.gov
- Data_Quality_Information:
- Logical_Consistency_Report:
- No additional checks for topological consistency were performed on this data set.
- Completeness_Report:
- This data set includes roads 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_Information:
- Source_Citation:
- Citation_Information:
- Originator: U.S. Geological Survey
- Publication_Date: 1995
- Title:
- 1:2,000,000-scale Digital Line Graph Data - Roads
- Publication_Information:
- Publication_Place: Reston, VA
- Publisher: U.S. Geological Survey
- Source_Scale_Denominator: 2000000
- Type_of_Source_Media: CD-ROM
- Source_Time_Period_of_Content:
- Time_Period_Information:
- Range_of_Dates/Times:
- Beginning_Date: 1970
- Ending_Date: 1995
- Source_Currentness_Reference: ground condition
- Source_Citation_Abbreviation: 2MILRD
- Source_Contribution: Spatial and attribute information
- Source_Information:
- Source_Citation:
- Citation_Information:
- Originator: U.S. Geological Survey
- Publication_Date: 1998
- Title: Major roads and trails of the United States
- Publication_Information:
- Publication_Place: Reston, Virginia
- Publisher: U.S. Geological Survey
- Source_Scale_Denominator: 2000000
- Type_of_Source_Media: online
- Source_Time_Period_of_Content:
- Time_Period_Information:
- Single_Date/Time:
- Calendar_Date: 1998
- Source_Currentness_Reference: publication date
- Source_Citation_Abbreviation: ATLAS-RD
- Source_Contribution: spatial and attribute information
- Process_Step:
- Process_Description:
- The 2MILRD data file was originally digitized by the National Mapping Division based on
the sectional maps contained in 'The National Atlas of the United States of America'
published by the USGS in 1970. Updates to the 2MILRD file were made based on the National
Highway Planning Network database published by Federal Highway Administration. Using
ARC/INFO software, the updated State DLG optional format files were converted to ARC/INFO
coverages using the DLGARC command. The individual State coverages were then merged
together using the ARC/INFO command APPEND. The resulting data set was ATLAS-RD.
- Source_Used_Citation_Abbreviation: 2MILRD
- Process_Date: 1998
- Source_Produced_Citation_Abbreviation: ATLAS-RD
- Process_Step:
- Process_Description:
- Roads for Puerto Rico and the U.S. Virgin Islands were added using 2MILRD.
- Source_Used_Citation_Abbreviation: 2MILRD
- Process_Date: 1999
- Spatial_Data_Organization_Information:
- Indirect_Spatial_Reference:
- U.S. Department of Commerce, 1995, Countries, Dependencies, Areas of Special
Sovereignty, and Their Principal Administrative Divisions. (FIPS 10-4): Washington, D.C.,
National Institute of Standards and Technology. 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, D.C., 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, D.C., 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: Complete chain
- Point_and_Vector_Object_Count: 47235
- 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 1983
- Ellipsoid_Name: GRS1980
- Semi-major_Axis: 6378137
- Denominator_of_Flattening_Ratio: 298.257222
- Entity_and_Attribute_Information:
- Detailed_Description:
- Entity_Type:
- Entity_Type_Label:
- Road (described by ROADTRL020.AAT or Roadtrl020.dbf)
- Entity_Type_Definition:
- An open way for the passing of vehicles.
- Entity_Type_Definition_Source: U.S. Geological Survey
- Attribute:
- Attribute_Label: Shape
- Attribute_Definition:
- The representation of the entity in the data
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Enumerated_Domain:
- Enumerated_Domain_Value: Polyline
- Enumerated_Domain_Value_Definition:
- 1-dimensional element that may or may not surround a 2-dimensional element.
- Enumerated_Domain_Value_Definition_Source:
- ESRI GIS software
- Attribute:
- Attribute_Label: Fnode# or Fnode_
- Attribute_Definition: Internal number of the from-node
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 1
- Range_Domain_Maximum: 31590
- Attribute:
- Attribute_Label: Tnode# or Tnode_
- Attribute_Definition: Internal number of the to-node
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 2
- Range_Domain_Maximum: 31590
- Attribute:
- Attribute_Label: Lpoly# or Lpoly_
- Attribute_Definition:
- Internal number of the polygon to the left of the arc
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 0
- Range_Domain_Maximum: 84
- Attribute:
- Attribute_Label: Rpoly# or Rpoly_
- Attribute_Definition:
- Internal number of the polygon to the right of the arc
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 0
- Range_Domain_Maximum: 84
- Attribute:
- Attribute_Label: Length
- Attribute_Definition:
- The length of the arc in coverage units.
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 0.000
- Range_Domain_Maximum: 5.337
- Attribute:
- Attribute_Label: ROADTRL020# or Roadtrl020
- Attribute_Definition: Internal feature number
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 1
- Range_Domain_Maximum: 47235
- Attribute:
- Attribute_Label: ROADTRL020-ID or Roadtrl020
- Attribute_Definition: User-assigned feature number
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 1
- Range_Domain_Maximum: 47235
- Attribute:
- Attribute_Label: Feature
- Attribute_Definition: Type of road.
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Enumerated_Domain:
- Enumerated_Domain_Value: Ferry Crossing
- Enumerated_Domain_Value_Definition:
- Route used to transport traffic between two points separated by water.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value: Ferry Crossing Toll Road
- Enumerated_Domain_Value_Definition:
- Route used to transport traffic between two points separated by water and where a travel
fee is collected.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value: Limited Access Highway
- Enumerated_Domain_Value_Definition:
- A route that is part of the United States Interstate Highway system or other similar
expressway.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Limited Access Highway Alternate Route
- Enumerated_Domain_Value_Definition:
- A route that substitutes for a United States Interstate Highway or other similar
expressway.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Limited Access Highway Business Route
- Enumerated_Domain_Value_Definition:
- A route that is part of the United States Interstate Highway system or other similar
expressway and is used for commercial traffic.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Limited Access Highway Bypass Route
- Enumerated_Domain_Value_Definition:
- A route that is part of the United States Interstate Highway system or other similar
expressway which diverts traffic around a town.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Limited Access Highway In Tunnel
- Enumerated_Domain_Value_Definition:
- A route that is part of the United States Interstate Highway system or other similar
expressway which goes through a tunnel.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Limited Access Highway In Tunnel Toll Road
- Enumerated_Domain_Value_Definition:
- A route that is part of the United States Interstate Highway system or other similar
expressway which goes through a tunnel and where a travel fee is collected.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Limited Access Highway Toll Road
- Enumerated_Domain_Value_Definition:
- A route that is part of the United States Interstate Highway system or other similar
expressway where a travel fee is collected.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Limited Access Highway Truck Route
- Enumerated_Domain_Value_Definition:
- A route that is part of the United States Interstate Highway system or other similar
expressway and is designated for truck traffic.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value: Other Highway
- Enumerated_Domain_Value_Definition:
- A minor State-numbered route or other connector road.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value: Other Highway Alternate Route
- Enumerated_Domain_Value_Definition:
- A route that substitutes for a minor State-numbered route or other connector road.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value: Other Highway Business Route
- Enumerated_Domain_Value_Definition:
- A minor State-numbered route or other connector road used for commercial traffic.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value: Other Highway Bypass Route
- Enumerated_Domain_Value_Definition:
- A minor State-numbered route or other connector road used to divert traffic around a
town.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value: Other Highway Toll Road
- Enumerated_Domain_Value_Definition:
- A minor State-numbered route or other connector roads where a travel fee is collected.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value: Other Through Highway
- Enumerated_Domain_Value_Definition:
- A State-numbered route or some less important United States-numbered highway.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Other Through Highway Alternate Route
- Enumerated_Domain_Value_Definition:
- A route that substitutes for a State-numbered route or some less important United
States-numbered highway.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Other Through Highway Alternate Route Bypass Route
- Enumerated_Domain_Value_Definition:
- A route that substitutes for a State-numbered route or some less important United
States-numbered highway and diverts traffic around a town.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Other Through Highway Business Route
- Enumerated_Domain_Value_Definition:
- A State-numbered route or some less important United States-numbered highway that is
used for commercial traffic.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Other Through Highway Business Route Alternate Route
- Enumerated_Domain_Value_Definition:
- A route that substitutes for a State-numbered route or some less important United
States-numbered highway and is used for commercial traffic.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Other Through Highway Bypass Route
- Enumerated_Domain_Value_Definition:
- A State-numbered route or some less important United States-numbered highway that
diverts traffic around a town.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Other Through Highway In Tunnel Alternate Route
- Enumerated_Domain_Value_Definition:
- A route that substitutes for a State-numbered route or some less important United
States-numbered highway and goes through a tunnel.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Other Through Highway Toll Road
- Enumerated_Domain_Value_Definition:
- A State-numbered route or some less important United States-numbered highway where a
travel fee is collected.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Other Through Highway Truck Route
- Enumerated_Domain_Value_Definition:
- A State-numbered route or some less important United States-numbered highway which is
designated for truck traffic.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value: Principal Highway
- Enumerated_Domain_Value_Definition:
- A United States-numbered highway or most important State-numbered route.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Principal Highway Alternate Route
- Enumerated_Domain_Value_Definition:
- A route that substitutes for a United States-numbered highway or most important
State-numbered route.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Principal Highway Alternate Route Bypass Route
- Enumerated_Domain_Value_Definition:
- A route that substitutes for a United States-numbered highway or most important
State-numbered route and diverts traffic around a town.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Principal Highway Business Route
- Enumerated_Domain_Value_Definition:
- A United States-numbered highway or most important State-numbered route used for
commercial traffic.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Principal Highway Business Route Alternate Route
- Enumerated_Domain_Value_Definition:
- A route that substitutes for a United States-numbered highway or most important
State-numbered route and is used for commercial traffic.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value: Principal Highway Bypass Route
- Enumerated_Domain_Value_Definition:
- A United States-numbered highway or most important State-numbered route used to divert
traffic around a town.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value: Principal Highway In Tunnel
- Enumerated_Domain_Value_Definition:
- A United States-numbered highway or most important State-numbered route which goes
through a tunnel.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Principal Highway In Tunnel Toll Road
- Enumerated_Domain_Value_Definition:
- A United States-numbered highway or most important State-numbered route which goes
through a tunnel where a travel fee is collected.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value: Principal Highway Toll Road
- Enumerated_Domain_Value_Definition:
- A United States-numbered highway or most important State-numbered route where a travel
fee is collected.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Enumerated_Domain:
- Enumerated_Domain_Value: Principal Highway Truck Route
- Enumerated_Domain_Value_Definition:
- A United States-numbered highway or most important State-numbered route designated for
truck traffic.
- Enumerated_Domain_Value_Definition_Source:
- U.S. Geological Survey
- Attribute:
- Attribute_Label: Name
- Attribute_Definition: Name of the road
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Unrepresentable_Domain: There is no predefined set of valid road names.
- Attribute:
- Attribute_Label: State_fips
- Attribute_Definition:
- The Federal Information Processing Standard (FIPS) code used by the U.S. Bureau of the
Census for the State in which the road is located.
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 01
- Range_Domain_Maximum: 78
- Attribute:
- Attribute_Label: State
- Attribute_Definition:
- The name of the State or State equivalent in which the road is located.
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Codeset_Domain:
- Codeset_Name:
- 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.
- Codeset_Source: U.S. Department of Commerce
- Distribution_Information:
- Distributor:
- Contact_Information:
- Contact_Organization_Primary:
- Contact_Organization:
- Earth Science Information Center, U.S. Geological Survey
- Contact_Address:
- Address_Type: mailing address
- Address: 507 National Center
- City: Reston
- State_or_Province: VA
- Postal_Code: 20192
- Contact_Voice_Telephone: 1-888-ASK-USGS (1-888-275-8747)
- Hours_of_Service: 0800-1600
- Contact_Instructions:
- In addition to the address above there are other ESIC offices throughout the country. A
full list of these offices is at <http://mapping.usgs.gov/esic/esic_index.html>
- Distribution_Liability:
- Although these data have been processed successfully on a computer system at the U.S.
Geological Survey, no warranty expressed or implied is made by the U.S. Geological Survey
regarding the utility of the data on any other system, nor shall the act of distribution
constitute any such warranty. No responsibility is assumed by the U.S. Geological Survey
in the use of these data.
- Metadata_Reference_Information:
- Metadata_Date: 19990405
- Metadata_Contact:
- Contact_Information:
- Contact_Person_Primary:
- Contact_Person: Gita Urban-Mathieux
- Contact_Organization: U.S. Geological Survey
- Contact_Address:
- Address_Type: mailing address
- Address: 521 National Center
- City: Reston
- State_or_Province: VA
- Postal_Code: 20192
- Contact_Voice_Telephone: 703-648-5175
- Contact_Electronic_Mail_Address: burbanma@usgs.gov
- Metadata_Standard_Name:
- FGDC Content Standards for Digital Geospatial Metadata
- Metadata_Standard_Version: FGDC-STD-001-1998
- Metadata_Security_Information:
- Metadata_Security_Classification_System: None
- Metadata_Security_Classification: Unclassified
- Metadata_Security_Handling_Description: None
-
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