This letterbox series is designed to be very similar to those that were traditionally created in the beginning of the Letterbox hobby.

This letterbox is placed in conjunction with a Challenge powertrail of caches celebrating TEXAS CHALLENGE & FESTIVAL GCAMM1H The Challenge powertrail of caches is over 400 and these letterboxes are along the same route and there are over 100 of them.
The posted coordinates are not where the letterbox is located. Using the degrees and bearing noted in each description the final will be located there. Each letterbox is a unique creation that you've probably not seen in other parts of the world of geocaching. They are all the same with the stamp affixed securely to the container. BYOP and stamp pad.
To find the final location of this letterbox from the virtual coordinates go 1.046639 km bearing 10.56078032597° degrees to where the final hide is located. BYOP