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Northern Vermont, ca. 1790 (Raster Image)

Identification Information
Citation
Originator
Harvard Map Collection, Harvard College Library
Originator
Whitelaw, James, 1748-1829.
Publication Date
200703
Title
Northern Vermont, ca. 1790 (Raster Image)
Geospatial Data Presentation Form
map
Publication Information
Publication Place
Cambridge, Massachusetts
Publisher
Harvard Map Collection, Harvard College Library
Online Linkage
https://hgl.harvard.edu/catalog/harvard-vt3750-1790-w5
Abstract
This layer is a georeferenced raster image of the untitled, historic paper manuscript map of northern Vermont by James Whitelaw, ca. 1790. Scale not given. Covers northern Vermont including Grand Isle, Franklin, Orleans, Essex, Chittenden, Lamoille, Caledonia, Washington, Addison, Orange counties, and a portion of Rutland and Windsor counties. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Vermont State Plane Coordinate System (Meters) (FIPS 4400). All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, or other information associated with the principal map. This map shows features such as roads, drainage, selected buildings (residences, mills, forts, etc.), township and county boundaries, and more. This layer is part of a selection of digitally scanned and georeferenced historic maps of New England from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of regions, originators, ground condition dates, scales, and map purposes.
Purpose
Historic paper maps can provide an excellent view of the changes that have occurred in the cultural and physical landscape. The wide range of information provided on these maps make them useful in the study of historic geography, and urban and rural land use change. As this map has been georeferenced, it can be used in a GIS as a source or background layer in conjunction with other GIS data.
Temporal Extent
Currentness Reference
source map approximate creation date
Time Instant
1790
Bounding Box
West
-73.769509
East
-71.380416
North
45.094902
South
43.582018
Theme Keyword
Maps
Maps, Manuscript
Human settlements
Land use
Infrastructure (Economics)
Transportation
Bodies of water
Administrative and political divisions
Cities and towns
Villages
Theme Keyword Thesaurus
LCSH
ISO Topic Category
imageryBaseMapsEarthCover
Place Keyword
Vermont
Addison County
Caledonia County
Chittenden County
Essex County
Franklin County
Grand Isle County
Lamoille County
Orange County
Orleans County
Rutland County
Washington County
Windsor County
Place Keyword Thesaurus
GNIS
Temporal Keyword
Access Restrictions
None
Use Restrictions
For educational, non-commercial use only.
Status
Complete
Maintenance and Update Frequency
None planned
Point of Contact
Contact Organization
Harvard Map Collection, Harvard College Library
Delivery Point
Harvard Map Collection
Delivery Point
Pusey Library
Delivery Point
Harvard University
City
Cambridge
State
MA
Postal Code
02138
Country
USA
Contact 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
Native Data Set Environment
ESRI ArcCatalog 9.1.
Data Quality Information
Attribute Accuracy Report
The georeferenced raster is a faithfully reproduced digital image of the original source map. Some differences may be detected between the source graphic used and the raster image due to the RGB values assigned that particular color. The intent is to recreate those colors as near as possible.
Completeness Report
Data completeness for raster digital image files reflect content of the source graphic. Features may have been eliminated or generalized on the source graphic due to scale and legibility constraints
Horizontal Positional Accuracy Report
The horizontal positional accuracy of a raster image is approximately the same as the accuracy of the published source map. The lack of a greater accuracy is largely the result of the inaccuracies with the original measurements and possible distortions in the original paper map document. There may also be errors introduced during the digitizing and georeferencing process. In most cases, errors in the raster image are small compared with sources of error in the original map graphic. The RMS error for this map is 919.96041 meters. This value describes how consistent the transformation is between the different control points (links). The RMS error is only an assessment of the accuracy of the transformation.
Lineage
Source
Originator
Whitelaw, James, 1748-1829.
Publication Date
1790
Title
[Map of northern Vermont].
Geospatial Data Presentation Form
map
Other Citation Details
1 ms. map : col. ; 57 x 65 cm. Title supplied by cataloger. Pen-and-ink and watercolor.
Source Scale Denominator
Scale not given
Type of Source Media
paper
Source Temporal Extent
Time Period Information
Single Date/Time
Calendar Date
1790
Source Currentness Reference
approximate creation date
Contribution
Source map for raster image
Spatial Data Organization Information
Direct Spatial Reference Method
Raster
Raster Object Information
Raster Object Type
Pixel
Row Count
7323
Column Count
8498
Vertical Count
1
Spatial Reference Information
Horizontal Coordinate System Definition
Planar
Grid Coordinate System
Grid Coordinate System Name
State Plane Coordinate System
State Plane Coordinate System
SPCS Zone Identifier
4400
Transverse Mercator
Planar Coordinate Information
Planar Coordinate Encoding Method
row and column
Coordinate Representation
Abscissa Resolution
22.131706
Ordinate Resolution
22.854008
Planar Distance Units
meters
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
Entity and Attribute Overview
The indexes reference a color palette of RGB values from 0 through 255, representing the color value from the original paper sheet map. The colors on that sheet can represent relief, drainage, vegetation, populated places, cultural features, coastal hydrography, transportation features (roads, railroads, tracks and trails), spot elevations and boundaries. The colors are sometimes explained in a legend that is incorporated into the map inset or collar.
Entity and Attribute Detail Citation
Not applicable.
Distribution Information
Format Name
GeoTIFF
Distributor
Harvard University Library
Online Access
http://hgl.harvard.edu/
Name
Metadata Reference Information
Metadata Date
20070316
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
90 Mount Auburn Street
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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