A 2017 post shows Cotton Wood Tank sadly covered in graffiti (picture below) - thankfully between then and now the graffiti has been painted over (picture above). I was slightly surprised, since this hasn't felt like a very wet year, to see that the tank is to-the-rim full at the moment, even higher than last year.

Our destination for the day was the bottom of Catchment Canyon - I thought we would have time to explore up canyon but it took longer than I guessed to reach the canyon so we touched the bottom, took some pictures and, with the Bighorn Sheep Management Area closing in two days, said goodbye-until-next-year...