Good suggestions. As said, take plenty of water, and take extra, there are always people out there that run out and are in trouble.
The Red Rock 4 Wheelers sponsor Easter Jeep Safari every year. If you can get a copy of their news letter for Easter Jeep Safari, it spells out many trails with good, educated, descriptions. There won't be much cell reception out in the desert, so be prepared.
AND Tread lightly,,Please AND stay off the superman soil, its extremely fragile!