A fairly simple surface, but I thought it was interesting how sand smoothed out most of the ground with just bits of rough dirt scattered around.
You can get the SBSAR on Gumroad here: https://gumroad.com/l/ciDydi
And see my whole set of Substances here: https://gumroad.com/_dc_
A variation in Marmoset
The SBSAR in Unreal
Color, height, normal, roughness and AO