Ok, I printed the picture and looked at it. Then I turned it sideways and an idea hit me. I'm sure it is totally off, and I can't even make it make sense using topography maps, but I see kind of a topography of the U.S. (or could it be somewhere else, like Australia?). Yes, I know I'm nuts, but when I turn it sideways I kind of see the sand beaches (the crumbly stuff), plains (grassy looking stuff), etc. That was a theory I came up with, but I can't quite make it fit. So I still have no idea what this picture means!