From MTU LUG wiki
Debian GNU/Linux is a Linux based operating system.
MTU LUG has a mirror of the i386, Alpha, SPARC, HP PA-RISC architectures.
To use our mirror add the following line to your /etc/apt/sources.list
deb http://lug.mtu.edu/debian/ unstable main contrib non-free
Unstable can be replaced with stable or testing depending on what branch you are tracking.