I'm too damned old to waste my time on solutions to the Fenn Treasure Hunt that don't include some basic assumptions. For example, I have assumed that the Fenn's treasure chest is hidden in New Mex.
Fresh clue released in hunt for treasure worth millions
The Forrest Fenn Treasure has earned its own day in Santa Fe New Mexico. "Thrill of the Chase Day" to honor Fenn who offers a great treasure to share.
1895 U. Atlas map of the Territory of New Mexico
The hunt for Forrest Fenn's treasure - CBS News
Clues for Finding Forrest Fenn's Buried Treasure, Part 2