DOCUMENTATION FOR SDWKEDGE                                              02/15/01
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COMPREHENSIVE COVERAGE DESCRIPTION
----------------------------------
DATA LAYER SUMMARY
Date of Entry:   02/15/01
Coverage Name:   SDWKEDGE        
Path:            JAMAICA\JAMVILL   
Description:     sidewalk edges, Route 30, village of Jamaica, Vt            
Feature:         LINE   
Status:           2
Available:       02/08/01

DATA MANAGER
Jeff Nugent                             
Windham Regional Commission             
139 Main Street, Suite 505              
Brattleboro, VT  05301                  
802-257-4547    

DATA AUTOMATION
Jeff Nugent                             
Windham Regional Commission                       
139 Main Street, Suite 505                        
Brattleboro, VT  05301                  

GEOGRAPHIC AREA and TILE STRUCTURE
Tile Structure:  NONE         (Avg.size: 0kB)
Area: village of Jamaica, Vermont                                 

DATA SOURCE & FORMAT
Source Map:   1:5000 orthophoto (scanned) and other supplemental data     
Source Date:  1991                           Data Format: pcArc/Info          
Source Scale: 1:5000                         Projection : State Plane meters            
Source Media: digital                                  Datum: NAD 1927  
SOURCE DESCRIPTION
  This coverage is a cartographic version of SIDEWALK, depicting sidewalk  
centerlines.  The sidewalk edges in this coverage were developed from      
SIDEWALK and STR_EDGE, a coverage of street edges.                         
  The main data source used for these two coverages was a scanned version  
of the 1991 1:5000 Vermont orthophoto sheet for Jamaica.  It is based on   
aerial photographs taken in 1990.  The image was created by John Whitman of
Readsboro, Vermont, who scanned and registered the image to Vermont State  
Plane coordinates.                                                         
  In several places, GPS points were taken to verify the sidewalk and      
street edge location.  Field visits and ground photographs were also made  
in 2000 to further refine the data.                                        

ACCURACY & TOLERANCES
Resolution:                               
Fuzzy:     0.000      Dangle:  0.000
FEATURE ACCURACY (in meters)
  The accuracy of this coverage is somewhat variable is probably no more   
than 1 to 2 meters.  The centerline of the sidewalk should fall within the 




DOCUMENTATION FOR SDWKEDGE                                             Page   2
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FEATURE ACCURACY (in meters),  continued ...

sidewalk edges as depicted in this coverage, but the sidewalk edges as     
shown in this coverage are not necessarily accurate; they are intended only
to give a polygonal, cartographic representation of the sidewalk           
centerline.                                                                
                                                                           

DATA AUTOMATION
Dates:  February 2001                   Software: pcArc/Info 3.5.2; ArcView 3.2 
Device: n/a (Resolution: 0.000)
Maximum RMS:     n/a                      
Update Schedule: none planned                                      
Last Update:     05/30/01

QUALITY CONTROL
  No formal quality control, other than verification using GPS, was        
performed.                                                                 

DESCRIPTION, FEATURE DEFINITION, METHODOLOGY, etc.
  This is a cartographic coverage of sidewalks along Route 30 in the       
village of Jamaica, Vermont.  Both the public sidewalk along the road and  
sidewalks leading to buildings are included.  The coverage was created to  
give a general impression of the location of sidewalk edges in the village.
  This coverage is a cartographic version of SIDEWALK, a coverage of the   
sidewalk centerlines.  This coverage should not be used to determine actual
sidewalk widths.                                                           
                                                                           

LIMITS ON DATA USE & INTERPRETATION
  This coverage was created to give a cartographic representation of       
sidewalk edges along Route 30 in the village of Jamaica.   Its primary     
purpose is cartographic; that is, to serve as a base map reference coverage
for mapping in the village.                                                

POLYGON ATTRIBUTE DESCRIPTIONS:    NONE.

ARC ATTRIBUTE DESCRIPTIONS:    NONE.

ANNOTATION DESCRIPTION:    NONE.

COVERAGE HISTORY & DEVELOPMENT DESCRIPTION:    NONE.

COVERAGE UPDATE DOCUMENTATION:    NONE.