NH Department of Transportation Geodetic Control Database

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: NH Department of Transportation
Publication_Date: 200704
Title: NH Department of Transportation Geodetic Control Database
Geospatial_Data_Presentation_Form: digital data
Publication_Information:
Publication_Place: Concord, New Hampshire
Publisher: NH Department of Transportation
Online_Linkage: http://www.granit.unh.edu/data/search?dset=geodeticnh/nh
Description:
Abstract:
Statewide dataset containing the location of geodetic control points and their associated attributes. For attribute data dictionary, see the file Geodetic-CodeGuide.doc.
Purpose:
Provide a comprehensive listing of accurate geodetic control markers throughout the state from Federal, State, Local and Private sources.
Supplemental_Information: Data distribution tile: statewide
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 18480101
Ending_Date: 20210302
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: Biannually
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -72.588552
East_Bounding_Coordinate: -70.672045
North_Bounding_Coordinate: 45.291923
South_Bounding_Coordinate: 42.693891
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Geodetic
Theme_Keyword: Geodetic Control
Theme_Keyword: Control Points
Theme_Keyword: Survey
Theme_Keyword: Location and Geodetic Network
Theme_Keyword: Spatial Reference
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: United States
Place_Keyword: Northeast
Place_Keyword: New England
Place_Keyword: New Hampshire
Access_Constraints: No
Use_Constraints: No
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Brian Easler
Contact_Organization: NH Department of Transportation, Survey Section
Contact_Position: Engineering Technician
Contact_Address:
Address_Type: mailing and physical address
Address: NH Department of Transportation, Survey Section
Address: J.O. Morton Building., 7 Hazen Drive
Address: P.O. Box 483
City: Concord
State_or_Province: NH
Postal_Code: 03301-0483
Contact_Voice_Telephone: 603-271-2746
Contact_Facsimile_Telephone: 603-271-7025
Contact_Electronic_Mail_Address: beasler@dot.state.nh.us
Data_Set_Credit: New Hampshire Department of Transportation, Survey Section
Native_Data_Set_Environment:
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 1; ESRI ArcCatalog 9.0.0.535
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Attributes are collected by field inspection and verified by logical and visual validation.
Logical_Consistency_Report:
The data set was generated from geodetic control survey observations made by a variety of groups following standards in place at the time of observation.
Completeness_Report:
These data represent statewide coverage, although they are continually being updated and enhanced.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Please see the attribute data dictionary file, Geodetic-CodeGuide.doc, or contact the NHDOT Survey Section for accuracy standards.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
Please see the attribute data dictionary file, Geodetic-CodeGuide.doc, or contact the NHDOT Survey Section for accuracy standards.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: New Hampshite Department of Transportation, Survey Section
Publication_Date: 20210302
Title: New Hampshire Geodetic Control Data Base
Edition: 2021
Geospatial_Data_Presentation_Form: tabular digital data
Publication_Information:
Publication_Place: Concord, NH
Publisher: NHDOT, Survey Section
Other_Citation_Details: control.mdb
Online_Linkage: NA
Larger_Work_Citation:
Citation_Information:
Originator: National Geodetic Survey, NOAA
Publication_Date: Unknown
Title: National Spatial Reference System
Publication_Information:
Publication_Place: Silver Spring, MD
Publisher: National Geodetic Survey, NOAA
Online_Linkage: http://www.ngs.noaa.gov
Type_of_Source_Media: Digital data
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 18480101
Ending_Date: 20210302
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: NA
Source_Contribution: NHDOT Survey Section
Process_Step:
Process_Description:
A digital data base has been maintained at the NHDOT since 1978. Prior to that, geodetic data was stored in print. That printed data has been systematically transferred to the digital data base and that data base is kept current as new geodetic points are established or updated data comes available for existing points.
Source_Used_Citation_Abbreviation: NA
Process_Date: Unknown
Source_Produced_Citation_Abbreviation: Control Data Base
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Point
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Point
Point_and_Vector_Object_Count: 7069
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:
Overview_Description:
Entity_and_Attribute_Overview:
For a description of the attribute information, see the file Geodetic-CodeGuide.doc.
Entity_and_Attribute_Detail_Citation: See Geodetic-CodeGuide.doc.
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Earth Systems Research Center, University of New Hampshire
Contact_Person: GRANIT Database Manager
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 - 5 PM, EST
Resource_Description: Downloadable Data
Distribution_Liability:
These digital data represent the efforts of the NH Department of Transportation to deliver an accurate statewide geodetic control network. No claim is made 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: 10.47
Digital_Transfer_Option:
Offline_Option:
Offline_Media: CD-ROM
Recording_Format: ESRI Shapefile
Fees:
No charge when downloaded from website. Cost of reproduction for provision on CD/ROM or other media.
Metadata_Reference_Information:
Metadata_Date: 200706
Metadata_Review_Date: 20210302
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Brian Easler
Contact_Organization: NH Department of Transportation, Survey Section
Contact_Position: Engineering Technician
Contact_Address:
Address_Type: mailing and physical address
Address: NH Department of Transportation, Survey Section
Address: J.O. Morton Building., 7 Hazen Drive
Address: P.O. Box 483
City: Concord
State_or_Province: NH
Postal_Code: 03301-0483
Contact_Voice_Telephone: 603-271-2746
Contact_Facsimile_Telephone: 603-271-7025
Contact_Electronic_Mail_Address: beasler@dot.state.nh.us
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Extensions:
Online_Linkage: http://www.esri.com/metadata/esriprof80.html
Profile_Name: ESRI Metadata Profile
Metadata_Extensions:
Online_Linkage: http://www.esri.com/metadata/esriprof80.html
Profile_Name: ESRI Metadata Profile
Generated by mp version 2.9.50 on Wed Mar 03 08:27:42 2021