The poster is 16" x 44". I think the inside dimensions of the sign are closer to 21" x 45", but I'm still thinking of putting up some 1 1/2" high lettering that states that the sign was donated and installed by Rising Sun 4x4 Club, so that takes up a little of that vertical distance.
I'm just worried that if we do something to keep people from getting at the poster, they'll tear the whole thing out of the ground and throw it down the hill
If you want to call the Forest Service Office there in Idaho Springs, I think that's where they keep the posters and you could just let them know what you're wanting to do. It would be awesome of you/someone to go replace it!