Unique trees in the red desert are very common.
I wonder what lives in these rocks? It is always an interesting walk when ever we pull over to explore. Lizards, birds and some rabbits may be in the area as well as some insects and an occasional snake.
Food sources are everywhere. Here, if you scrape off the thorns you can eat the flesh and it also has high water content to help keep you hydrated. Please note it will not be like drinking water and many types of cacti are not eatable.
Locating real water sources is a lot harder out west but not impossible. Some times you will find it next to hard rocks like granite if you find moist sand by them dig down a foot or two and give it a couple of minutes. If the sand becomes moist in the bottom wait another minute or too to pool then drink it. If the sand is dry in the hole or no water pools move to another location and try again later till you find water.