[who_would_fardels_bear]

There's been a lot of rain there lately. Sage and other brush and cactus can grow rather tall. Joshua trees can also hide one person from another. And then there are the arroyos, hills and dunes.

If they were both tired and thirsty they might have just been plodding along with their heads down to avoid the glare from the sun. And if they were going at a different pace...

[centurion316]

Go to Ft. Irwin. The Mojave Desert can hide entire tank battalions with no trouble at at all.