Boulder is moving up in the world. He can now safely bask under heat lamps and no longer needs his silvadene treatment so I remodelled his cage. I put in 100lbs of sand and built him a rock hide (he had to use a cardboard box to make sure he did not scrape his back). Here are some pictures: (the cage is 5' by 3')
Here are the two sleepy ones who did not want to get up at 8AM and remodel the cage:
Here's a picture of his hide. I made it with brick and slate.