A map I was working on yesterday while I zoned out watching a movie. It's a sinkhole mini crawl. I imagine this being in a wasteland/desert setting and it is an oasis 100' below the surface. There are small mesa like features (the green and brown thingies) two of which have caves, a cabin, stream and the black squares I haven't figured out. A series of obelisks? A graveyard? Small black boxes?
If you figure it out let me know. I'd love to know.