Originally Posted by doyle
I can't tell what the sheets are on the right of the van, but perhaps a short riding loop where a full roadbook is not necessary.
The bike appears to have no roadbook holder, so no roadbook navigating!
The three upper-right papers on the van look like Google Earth imagery of typical desert terrain. The lower-right is a map of what may be their practice course. I took that fuzzy image and re-did it below in Google Earth following existing roads in the Stoddard area. Looks pretty close!