Historic African-American Communities of Loudoun County, VA

Metadata:

• Identification_Information
• Data_Quality_Information
• Spatial_Data_Organization_Information
• Spatial_Reference_Information
• Entity_and_Attribute_Information
• Distribution_Information
• Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: Loudoun County, VA OMAGI

Publication_Date: 20151022

Title: Historic African-American Communities of Loudoun County, VA

Geospatial_Data_Presentation_Form: vector digital data

Description:

Abstract:

This data set identifies historic african american & bi-racial communities and various related institutions including churches, schools, and fraternal organizations. This information can also be found in an online database provided by the Friends of the Thomas Balch Library.For more information on the communities found in this dataset, please refer to the Friends of the Thomas Balch Library website at <http://balchfriends.org/tour/>

Purpose:

This data layer was created to provide the spatial location of historic african american communities and various related communities. It is also used to update a previous map created in 2001 by Loudoun County, VA Office of Mapping & Geographic Information

Status:

Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -77.842630

East_Bounding_Coordinate: -77.399371

North_Bounding_Coordinate: 39.277000

South_Bounding_Coordinate: 38.890914

Keywords:

Theme:

Theme_Keyword_Thesaurus: none; employee generated

Theme_Keyword: church, school, communities, african american

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Categories

Theme_Keyword: planningCadastre

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Categories

Theme_Keyword: planningCadastre

Place:

Place_Keyword_Thesaurus: none; empolyee generate

Place_Keyword: Virginia, Loudoun, County

Access_Constraints: None

Use_Constraints: See access and use constraints information.

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Loudoun County, VA OMAGI

Contact_Address:

Address_Type: mailing and physical

Address: 1 Harrison Street SE, 2nd Floor

City: Leesburg

State_or_Province: VA

Postal_Code: 20175

Contact_Voice_Telephone: (703)771-5778

Contact_Facsimile_Telephone: (703)771-5075

Contact_Electronic_Mail_Address: mapping@loudoun.gov

Hours_of_Service: 8:30-4:30 EST, M-F

Native_Data_Set_Environment: Version 6.2 (Build 9200) ; Esri ArcGIS 10.2.2.3552

Data_Quality_Information:

Lineage:

Source_Information:

Type_of_Source_Media: None

Source_Contribution:

Historic Communities and Institutions data created in ArcGIS by hand placing point locations for communities, churches, schools, etc at approximate locations from multiple sources: 1) 2001 Historic African American communites map created by Loudoun County, VA OMAGI 2) African American Communities of Loudoun County dateset by Friends of Thomas Balch Library, lcated at <http://balchfriends.org/bhmap.htm> 3) Loudoun County African-American Historic Architectural Resources Survey prepared in 2004

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector

Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Entity point

Point_and_Vector_Object_Count: 146

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Map_Projection:

Map_Projection_Name: NAD 1983 HARN StatePlane Virginia North FIPS 4501 Feet

Lambert_Conformal_Conic:

Standard_Parallel: 38.03333333333333

Standard_Parallel: 39.2

Longitude_of_Central_Meridian: -78.5

Latitude_of_Projection_Origin: 37.66666666666666

False_Easting: 11482916.66666666

False_Northing: 6561666.666666666

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: coordinate pair

Coordinate_Representation:

Abscissa_Resolution: 0.0003280833333333333

Ordinate_Resolution: 0.0003280833333333333

Planar_Distance_Units: foot_us

Geodetic_Model:

Horizontal_Datum_Name: D North American 1983 HARN

Ellipsoid_Name: GRS 1980

Semi-major_Axis: 6378137.0

Denominator_of_Flattening_Ratio: 298.257222101

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: HISTORIC_COMMUNITIES_POINT

Attribute:

Attribute_Label: OBJECTID

Attribute_Definition: Internal feature number.

Attribute_Definition_Source: Esri

Attribute_Domain_Values:

Unrepresentable_Domain:

Sequential unique whole numbers that are automatically generated.

Attribute:

Attribute_Label: Shape

Attribute_Definition: Feature geometry.

Attribute_Definition_Source: Esri

Attribute_Domain_Values:

Unrepresentable_Domain: Coordinates defining the features.

Attribute:

Attribute_Label: HC_NAME

Attribute:

Attribute_Label: HC_CATEGORY

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Loudoun County, VA OMAGI

Contact_Address:

Address_Type: mailing and physical

Address: 1 Harrison Street SE, 2nd Floor

City: Leesburg

State_or_Province: VA

Postal_Code: 20175

Contact_Voice_Telephone: (703)771-5778

Contact_Facsimile_Telephone: (703)771-5075

Contact_Electronic_Mail_Address: mapping@loudoun.gov

Hours_of_Service: 8:30-4:30 EST, M-F

Distribution_Liability: See access and use constraints information.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: Personal GeoDatabase Feature Class

Format_Specification: GDB

Fees:

Loudoun County distributes spatial data in ArcGIS coverage or shapefile format for the cost of reproduction. Countywide spatial datasets may be purchased for $21 per CD or $22 per DVD for up to 650 MB or 4.5 GB of data, respectively. There is a $10 surcharge to purchase countywide topography, and a $3 charge if the item is to be mailed. If the customer wants the data in DXF format and/or would like OMAGI to custom select specific geographic areas of the County, there is an additional $7 per 15 minute increment labor charge. Select aerial imagery is also available.

Ordering_Instructions:

Size limit: 4.5 GB. Visit our website at: <http://www.loudoun.gov/omagi>, click on "Loudoun County Mapping Documents & Order Forms." The "Forms" directory will lead you to custom & standard (countywide) data order forms. Hardcopy maps may also be available; please contact the Mapping Office Public Information Counter for more information regarding all data requests.

Metadata_Reference_Information:

Metadata_Date: 20160209

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Loudoun County, VA OMAGI

Contact_Address:

Address_Type: mailing and physical

Address: 1 Harrison Street SE, 2nd Floor

City: Leesburg

State_or_Province: VA

Postal_Code: 20175

Contact_Voice_Telephone: (703)771-5778

Contact_Facsimile_Telephone: (703)771-5075

Contact_Electronic_Mail_Address: mapping@loudoun.gov

Hours_of_Service: 8:30-4:30 EST, M-F

Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Time_Convention: local time