Obliged for May

Groundspeak Premium Member r.e.s.t.seekers played Obliged for May


After finding the related geocache, thanks to the preparedness of others, I played this cartridge. My knowledge of this topic is very slim, so I'm happy that I learned the answer from those who know more. I have heard of this name, used in crossword puzzles. The game worked fine on Oreo, an Oregon.