Why was this page not cached?

        Here are a couple of example lines from store.log:

950199913.872 RELEASE FFFFFFFF 304 950199913 -1 950286313 unknown -1/0 GET http://squid.nlanr.net/
950199914.591 RELEASE FFFFFFFF 304 950199913 -1 950286314 unknown -1/0 GET http://squid.nlanr.net/Icons/cache_now.gif
950199914.653 RELEASE FFFFFFFF 304 950199913 -1 950286314 unknown -1/0 GET http://squid.nlanr.net/Squidlogo2.gif
950199914.698 RELEASE FFFFFFFF 304 950199913 -1 950286314 unknown -1/0 GET http://squid.nlanr.net/Icons/squidnow.gif
950200024.143 RELEASE FFFFFFFF 200 950199958 -1 -1 text/html -1/21540 POST http://www.squid-cache.org/cgi-bin/swish-query.cgi
950201338.583 RELEASE FFFFFFFF 304 950029974 940884244 950116374 text/html -1/0 GET http://squid.nlanr.net/
950201338.635 RELEASE FFFFFFFF 304 950030049 935384563 950116449 image/gif -1/0 GET http://squid.nlanr.net/Icons/cache_now.gif
950201338.645 RELEASE FFFFFFFF 304 950029979 888944258 950116379 image/gif -1/0 GET http://squid.nlanr.net/Icons/squidnow.gif
950201338.648 RELEASE FFFFFFFF 304 950029978 843075881 950116378 image/gif -1/0 GET http://squid.nlanr.net/Squidlogo2.gif

        Cam someone please tell me why these are not being cahced?

        And perhaps a word of advice on how to get them to be so?

-- 
Stan Brown     stanb@netcom.com                                    843-745-3154
Westvaco
Charleston SC.
-- 
Windows 98: n.
	useless extension to a minor patch release for 32-bit extensions and
	a graphical shell for a 16-bit patch to an 8-bit operating system
	originally coded for a 4-bit microprocessor, written by a 2-bit 
	company that can't stand for 1 bit of competition.
-
(c) 2000 Stan Brown.  Redistribution via the Microsoft Network is prohibited.