ftp://ftp.ii.uib.no/pub/linux/sites/cran.r-project.org/bin/linux/ubuntu/  direct

[DIR]gutsy/  direct  540+ twin directories
4.78 KB  2008-06-27README  33 mirrors
[DIR]dapper/  direct  610+ twin directories
[DIR]hardy/  direct  520+ twin directories
6.27 KB  2008-06-27README.html  12 mirrors
[DIR]feisty/  direct  550+ twin directories