Difference 15m between Census 2008 TIGER/Line® Shapefiles and Google Earth

[ElshayalSmart]

Dear Elshayal Smart GIS Users Group

Thank you for 2008 TIGER shape files Link http://www.census.gov/geo/www/tiger/

I have visited that link and download shape file of
Alabama - Etowah County - Gadsden City - (Gadsden Community college -
my school)

Map Unit = Degrees 16 North
Lon or X = -85.988831970
Lat or Y = 33.993027389
Scale = 1 : 2,500

I have got a Difference 15m between Census 2008 TIGER/Line® Shapefiles
and Google Earth in some area
http://groups.google.com/group/elshayal-smart-gis/web/Gal26.JPG?hl=en

I have got a Difference 35m between Census 2008 TIGER/Line® Shapefiles
and Google Earth in some area
http://groups.google.com/group/elshayal-smart-gis/web/Gal25.JPG?hl=en

Thank you and best regards
Mohamed Elshayal
002 012 211 3080
elsh...@smartwebonline.com
The First Arabian GIS Software
http://www.smartwebonline.com/
http://tech.groups.yahoo.com/group/ElshayalSmartGIS/