While driving from Joshua Tree National Park to the Mojave National Preserve, we passed an area that looked really interesting on Google Maps. I wasn’t sure what it was so I decided we would stop when we got there.
It turned out to be salt flats – large reservoirs that are filled with salt water then left to undergo the natural process of evaporation. After the solar process what remains is a layer of salt. They add more salt water and let it evaporate again. Eventually there is a thick crust of salt left and that is harvested, processed and sold.