> There is a file, az_caches.mps, that has all of the caches 
> for the state of AZ.

Barry,

Some other folks have already mentioned how to deal with this, but I
thought I'd add this note in case you weren't aware of it: Once you've
logged a find or two (or more) on geocaching.com, visit azgeocaching.com
and click on the "Team Stats" link. Then search for your team name
(actually your geocaching.com account name), and click on the link.
You'll find that you can download a customized file named
az_caches_team, which will show the "Geocache Found" icon for those
caches you've logged as such. That data gets updated nightly.

Steve
Team Tierra Buena