Unobtanium Cacher Challenge Mystery Cache

This is a challenge cache. As such, you must complete the challenge in order to log a find on this cache. The challenge is to find 1000 sets of 1 cache where each set is hidden by a unique cacher owner.

1. Caches can be found anywhere in the world
2. All cache types count towards this challenge
3. The is no chronological restriction, so you might already qualify for this challenge
4. When logging this please provide proof in the form of a screen shot, bookmark, document, or some other means
5. A bookmark list of the caches used for this challenge is the preferred method, but use of third-party software is authorized
6. If you happen to be in the area, feel free to sign the log, post a note, and then claim your find at a later date when you do qualify
7. If you have any questions, feel free to email or post a note on the cache page for everyone to see