Bubbles... very cool. I don't know why but I found these bubbles fascinating. Bob was kind enough to offer an explanation: "Jacob Waltz once said if you see bubbles near a downward sloping rock formation. Then you need to turnaround and hike .2 miles and take a left then right and look for a cactus that looks like a Kachina. Once you find the cactus, you need to look to the Northeast for a rock formation that looks like a elephant. Once you see the elephant take 100 paces to the south and start digging."