Purpose:
Planning and analysis
CURRENTNESS REFERENCE: publication date
SPATIAL DATA ORGANIZATION INFORMATION
Direct Spatial Reference: Vector
SDTS Point and Vector Object Type: G-polygon
Point and Vector Object Count: 329989
SPATIAL REFERENCE INFORMATION - PLANAR
Grid Coordinate System Name: State Plane Coordinate System
SPCS Zone Identifier: 2001
Standard Parallel: 41.716667
Standard Parallel:
... 42.683333
Longitude of Central Meridian: -71.500000
Latitude of Projection Origin: 41.000000
False Easting: 200000.000000
False Northing: 750000.000000
Planar Coordinate Encoding Method: coordinate pair
Abscissa Resolution: 0.010000
Ordinate Resolution: 0.010000
Planar Distance Units: meters
SPATIAL REFERENCE INFORMATION - 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
NATIVE: Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 1; ESRI ArcCatalog 9.0.0.535