Challenge Caches
This is a challenge cache. In additional to signing the log book you must also fulfill the challenge before logging a find online. You may sign the logbook before completing the challenge but please don't claim a find online until you qualify. A challenge checker which you can use to see if you qualify is below. Anyone claiming a find who does not meet the criteria will have their log deleted without notice.

This Challenge
This cache is not at the listed coordinates. Its is part of the HM Geoart and the actual coordinates are listed below.
This challenge is all about completing the DT grid. There is a small wrinkle on completing this one. You can only use caches located in Ireland.
To this end in order to qualify to log this cache you must have found at least 1 cache located in Ireland for each of the possible 81 DTs.
The Rules
Have 1 finds in each of the 81 possible DTs
All cache types situated in Ireland count. All dates count