It sure would be nice if there were a dedicated icon for a solve-at-home puzzle cache. You never know what you're going to get when you look at a "mystery cache" listing ... it might be a solve-at-home puzzle, but could just as easily be a field puzzle, challenge cache or even a night cache. Field puzzles can vary ... as long as there isn't a mechanical puzzle hidden on site, there are often ways of sorting out what is required remotely. Today's California puzzle is one that the CO describes as a field puzzle, but to that I say (with his blessing) "Field Shmield*". Just:
Cache by Numbers
*For the background on this terminology click here.