US cencus tracts

[Gardar Johannesson <gardar@stat.ohio-state.edu>]

Does anybody know were I can get the polygons that define the US cencus
tracts?  That is; I want to create a map in S of the US with each cencus
tract colored according to some variable.

Thanks,
Gardar

_________________________________________________________
Gardar Johannesson                   Home Addr.
 Department of Statistics              605 Dennison, #3
Ohio State University                  Columbus, OH 43215
304E Cockins Hall, 1958 Neil Av.       Tel: 614-531-0102
Columbus, OH 43210                          ( cellular )
 
Tel: 614-292-1567
Fax: 614-292-2096
e-mail: gardar@stat.ohio-state.edu
WWW: www.stat.ohio-state.edu
_________________________________________________________