From: utzoo!decvax!harpo!eagle!karn
Newsgroups: net.misc
Title: Re: mailing labels
Article-I.D.: eagle.792
Posted: Fri Feb 18 13:14:22 1983
Received: Sun Feb 20 02:09:46 1983
References: 5941ux.193

CR RT SRT - Carrier Route Sort.  The mail is pre-sorted by the sender,
in exchange (I believe) for a slight break on postage.

Phil