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Geographic Names Information System (GNIS)

Geographic Names Information System (GNIS)

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Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: NH Office of Energy and Planning
Publication_Date: 200606
Title: Geographic Names Information System (GNIS)
Edition: One
Geospatial_Data_Presentation_Form: vector digital data
Online_Linkage: <URL:http://www.granit.unh.edu/data/search?dset=gnis/nh>
Larger_Work_Citation:
Citation_Information:
Originator: Complex Systems Research Center, University of New Hampshire
Publication_Date: 1986
Title: NH GRANIT Database
Geospatial_Data_Presentation_Form: map
Publication_Information:
Publication_Place: Durham, New Hampshire
Publisher: Complex Systems Research Center, University of New Hampshire
Online_Linkage: <URL:http://www.granit.unh.edu>
Description:
Abstract:
GNIS contains point data derived from the federal Geographic Names Information System, depicting the locations of all named places in New Hampshire. Place name locations from the federal GNIS have been corrected and updated, based upon a variety of sources, including current and historic US Geological Survey topographic maps, aerial photography, New Hampshire state agency records, and current web sites.
Purpose:
This data set will provide a quick reference for anyone wishing to determine what features in New Hampshire have names. It will also aid those wishing to name an unnamed feature in New Hampshire, by indicating whether duplicate or similar names exist elsewhere in the state.
Supplemental_Information: Data distribution tile: statewide.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1901
Ending_Date: 200808
Currentness_Reference: publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -72.575068
East_Bounding_Coordinate: -70.559961
North_Bounding_Coordinate: 45.299808
South_Bounding_Coordinate: 42.693324
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Geographic Names
Theme_Keyword: Place Names
Theme_Keyword: Named Places
Theme_Keyword: Nomenclature
Theme_Keyword: GNIS
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: United States
Place_Keyword: Northeast
Place_Keyword: New England
Place_Keyword: New Hampshire
Access_Constraints: None.
Use_Constraints: None.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: NH Office of Energy and Planning
Contact_Person: Ken Gallager
Contact_Position: Principal Planner
Contact_Address:
Address_Type: mailing and physical address
Address: 57 Regional Drive
City: Concord
State_or_Province: NH
Postal_Code: 03301
Country: USA
Contact_Voice_Telephone: (603) 271-2155
Contact_Facsimile_Telephone: (603) 271-2615
Contact_Electronic_Mail_Address: ken.gallager@nh.gov
Hours_of_Service: 8:00 - 4:00 EST
Data_Set_Credit: NH Office of Energy and Planning / NH GRANIT
Native_Data_Set_Environment:
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.1.0.722

Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Feature names are derived directly from federal Geographic Names Information System. Some editing has been performed by the NH Office of Energy and Planning (see individual attribute values).
Quantitative_Attribute_Accuracy_Assessment:
Attribute_Accuracy_Value: FEATURE
Attribute_Accuracy_Explanation:
Occasional, obvious errors in feature names (e.g. Ammonoosucuc for Ammonoosuc) have been corrected, but otherwise all names are assumed to be correct as stored.
Quantitative_Attribute_Accuracy_Assessment:
Attribute_Accuracy_Value: FEATYPE
Attribute_Accuracy_Explanation:
Source values were found, upon editing, to be frequently (5%) inaccurate and have been corrected to the Office of Energy and Planning's best judgement.
Quantitative_Attribute_Accuracy_Assessment:
Attribute_Accuracy_Value: COUNTY
Attribute_Accuracy_Explanation: 100% accurate.
Quantitative_Attribute_Accuracy_Assessment:
Attribute_Accuracy_Value: STCODE
Attribute_Accuracy_Explanation: 100% accurate (all values are for New Hampshire).
Quantitative_Attribute_Accuracy_Assessment:
Attribute_Accuracy_Value: COCODE
Attribute_Accuracy_Explanation: 100% accurate.
Quantitative_Attribute_Accuracy_Assessment:
Attribute_Accuracy_Value: QUAD
Attribute_Accuracy_Explanation:
99% accurate. Some quadrangle names have not been updated to reflect corrected locations of some named features.
Logical_Consistency_Report: Point data. No topology necessary.
Completeness_Report: Data is complete.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Original GNIS locations appeared to be derived from printed latitude/longitude pairs and contained numerous inaccuracies. All locations whose names appear on USGS quadrangles have been correctly located. Features such as churches, schools, and other structures are estimated to be 80% accurate.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report: N/A
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 1995 (DRGs); 1968-1995 (original paper quadrangles)
Title: U.S.G.S. Digital Raster Graphics
Geospatial_Data_Presentation_Form: raster digital data
Source_Scale_Denominator: 24,000
Type_of_Source_Media: CD-ROM
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1953
Ending_Date: 1990
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: USGS Digital Raster Graphics
Source_Contribution: 95% of feature locations were tied to the USGS DRGs.
Source_Information:
Source_Citation:
Citation_Information:
Originator:
U.S. Department of Agriculture, Farm Services Agency, Aerial Photography Field Office
Publication_Date: 2005
Title: 2003 National Agricultural Imagery Program Imagery
Edition: One
Geospatial_Data_Presentation_Form: raster digital data
Source_Scale_Denominator: 40000
Type_of_Source_Media: online
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 200302
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: NAIP Imagery
Source_Contribution: 5% of locations.
Process_Step:
Process_Description:
Dataset copied from Geographic Names Information System web site. Tabular data contained latitude and longitude pairs for each feature. ArcInfo Generate command created an ArcInfo coverage, which was then converted, using ArcGIS 9.1, into geodatabase format. Features were displayed using USGS Digital Raster Graphics backdrop, and feature locations were adjusted to match the DRGS. Where the feature was not visible on the DRG, 2003 NAIP photography was used, along with information culled from historic USGS quadrangles dating back to 1900, and with current information from features' web sites. Upon completion of editing, dataset was projected into NH State Plane coordinates and converted to shapefile format.
Process_Date: 200512
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: NH Office of Energy and Planning
Contact_Address:
Address_Type: mailing and physical address
Address: 57 Regional Drive
City: Concord
State_or_Province: NH
Postal_Code: 03301
Country: USA
Contact_Voice_Telephone: (603) 271-2155
Contact_Facsimile_Telephone: (603) 271-2615
Contact_Electronic_Mail_Address: ken.gallager@nh.gov
Hours_of_Service: 8:00 - 4:30 EST
Process_Step:
Process_Description:
Complex Systems Research Center acquired shapefile from NH Office of Energy and Planning. In comparing tabular data to spatial data, nine hundred and twenty-four tabular records were found to have missing spatial locations. These records were removed from the data, and the shapefile was provided back to NH Office of Energy and Planning.
Process_Date: 200606
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Complex Systems Research Center
Contact_Position: GRANIT Database Manager
Contact_Address:
Address_Type: mailing and physical address
Address: Morse Hall, University of New Hampshire
City: Durham
State_or_Province: NH
Postal_Code: 03824
Contact_Voice_Telephone: 603-862-1792
Contact_Facsimile_Telephone: 603-862-0188
Contact_Electronic_Mail_Address: granit@unh.edu
Hours_of_Service: 8:30AM-5PM, EST

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: 12447
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Point
Point_and_Vector_Object_Count: 4

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: State Plane Coordinate System 1983
State_Plane_Coordinate_System:
SPCS_Zone_Identifier: 2800
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.999967
Longitude_of_Central_Meridian: -71.666667
Latitude_of_Projection_Origin: 42.500000
False_Easting: 984250.000000
False_Northing: 0.000000
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.002048
Ordinate_Resolution: 0.002048
Planar_Distance_Units: survey feet
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222

Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: GNIS
Entity_Type_Definition: Geographic Names Information System
Entity_Type_Definition_Source: USGS
Attribute:
Attribute_Label: FID
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: FEATURE
Attribute_Definition: Name of feature
Attribute_Definition_Source:
Principles, Policies, and Procedures: Domestic Geographic Names, By Donald J. Orth, Executive Secretary, Domestic Geographic Names (emeritus) and Roger L. Payne, Executive Secretary, United States Board on Geographic Names and Domestic Geographic Names, Third printing (revised) and Preliminary Online Edition, 1997
Attribute_Domain_Values:
Unrepresentable_Domain: Text
Beginning_Date_of_Attribute_Values: 1901
Ending_Date_of_Attribute_Values: 200510
Attribute_Value_Accuracy_Information:
Attribute_Value_Accuracy: 90
Attribute_Value_Accuracy_Explanation:
Some obvious typing errors have been found. It is to be expected that other errors exist which have not been found.
Attribute:
Attribute_Label: FEATYPE
Attribute_Definition:
Type of named feature: Derived from GNIS "feature class". A feature class is a designation for a group of features in a broadly defined descriptive category. All features are assigned to one and only one class. They do not individually classify all kinds of cultural and natural features. By design, there are no Federal or industry standards or guidelines for feature classification. These classifications originally were developed for mainframe file structure search purposes. Although the terms are generally consistent with dictionary definitions, they may not conform exactly and are not always intuitive.
Attribute_Definition_Source:
Geographic Names Office, USGS, 523 National Center, Reston, VA 20192-0523 (gnis_manager@usgs.gov).
Attribute_Domain_Values:
Codeset_Domain:
Codeset_Name:
Feature class values and definitions for the Geographic Names Information System
Codeset_Source:
Geographic Names Office, USGS, 523 National Center, Reston, VA 20192-0523 (gnis_manager@usgs.gov).
Beginning_Date_of_Attribute_Values: 1901
Ending_Date_of_Attribute_Values: 200510
Attribute_Value_Accuracy_Information:
Attribute_Value_Accuracy: 90
Attribute_Value_Accuracy_Explanation: Values in many cases are a judgement call.
Attribute:
Attribute_Label: COUNTY
Attribute_Definition: The county containing the geographic feature.
Attribute_Definition_Source:
Geographic Names Office, USGS, 523 National Center, Reston, VA 20192-0523.
Attribute_Domain_Values:
Codeset_Domain:
Codeset_Name:
Counties And Equivalent Entities Of The United States, Its Possessions, And Associated Areas.
Codeset_Source:
Federal Information Processing Standards Publication 6-4, Counties And Equivalent Entities Of The United States, Its Possessions, And Associated Areas.
Attribute:
Attribute_Label: STCODE
Attribute_Definition: State Code
Attribute_Definition_Source:
Geographic Names Office, USGS, 523 National Center, Reston, VA 20192-0523.
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.
Codeset_Source:
Federal Information Processing Standards Publication 5-2, Codes For The Identification Of The States, The District Of Columbia And The Outlying Areas Of The United States, And Associated Areas.
Attribute_Value_Accuracy_Information:
Attribute_Value_Accuracy: 100
Attribute_Value_Accuracy_Explanation: Values are accurate.
Attribute:
Attribute_Label: COCODE
Attribute_Definition: Three-digit code for county.
Attribute_Definition_Source:
Geographic Names Office, USGS, 523 National Center, Reston, VA 20192-0523.
Attribute_Domain_Values:
Codeset_Domain:
Codeset_Name:
Counties And Equivalent Entities Of The United States, Its Possessions, And Associated Areas.
Codeset_Source:
Federal Information Processing Standards Publication 6-4, Counties And Equivalent Entities Of The United States, Its Possessions, And Associated Areas.
Attribute:
Attribute_Label: QUAD
Attribute_Definition: 7-1/2 minute USGS quadrangle on which named feature is found.
Attribute_Definition_Source:
Geographic Names Office, USGS, 523 National Center, Reston, VA 20192-0523.
Attribute_Domain_Values:
Codeset_Domain:
Codeset_Name: The Geographic Names Information System (GNIS)
Codeset_Source:
The official database of names assigned to standard USGS products according to USGS policy and procedures, including standard 7.5x7.5 degree quadrangle maps and digital products. Geographic Names Office, USGS, 523 National Center, Reston, VA 20192-0523 (gnis_manager@usgs.gov).
Attribute_Value_Accuracy_Information:
Attribute_Value_Accuracy: 90
Attribute_Value_Accuracy_Explanation:
Some feature locations may have been moved to a new quadrangle without this field being updated.
Attribute:
Attribute_Label: FeatID
Attribute_Definition: Numeric feature identifier.
Attribute_Definition_Source:
Geographic Names Office, USGS, 523 National Center, Reston, VA 20192-0523.
Attribute_Domain_Values:
Unrepresentable_Domain: Whole numbers that are automatically generated.

Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Complex Systems Research Center
Contact_Position: GRANIT Database Manager
Contact_Address:
Address_Type: mailing and physical address
Address: Morse Hall, University of New Hampshire
City: Durham
State_or_Province: NH
Postal_Code: 03824
Contact_Voice_Telephone: 603-862-1792
Contact_Facsimile_Telephone: 603-862-0188
Contact_Electronic_Mail_Address: granit@unh.edu
Hours_of_Service: 8:30AM-5PM, EST
Resource_Description: GNIS - Geographic Names Information System for New Hampshire
Distribution_Liability:
Digital data in NH GRANIT represent the efforts of the contributing agencies to record information from the cited source materials. Complex Systems Research Center, under contract to the NH Office of Energy and Planning, and in consultation with cooperating agencies, maintains a continuing program to identify and correct errors in these data. OEP, CSRC, and the cooperating agencies make no claim as to the validity or reliability or to any implied uses of these data.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ESRI shapefile
Transfer_Size: 3.55 MB
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: www.granit.unh.edu
Fees:
No charge when downloaded from the internet. Cost of reproduction for provision on CD/ROM or other media.
Ordering_Instructions:
Email GRANIT (granit@unh.edu) or order from web site (www.granit.unh.edu).
Turnaround: Two weeks.

Metadata_Reference_Information:
Metadata_Date: 20060619
Metadata_Review_Date: 20081016
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: NH Office of Energy and Planning
Contact_Person: Ken Gallager
Contact_Position: Principal Planner
Contact_Address:
Address_Type: mailing and physical address
Address: 57 Regional Drive
City: Concord
State_or_Province: NH
Postal_Code: 03301
Country: USA
Contact_Voice_Telephone: (603) 271-2155
Contact_Facsimile_Telephone: (603) 271-2615
Contact_Electronic_Mail_Address: ken.gallager@nh.gov
Hours_of_Service: 8:00 - 4:00, EST
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998


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