I haven't had a chance to talk to Otto yet, but hopefully I can catch up with him this week. I went down to the farm this weekend to dig a few test holes with a backhoe that I rented. The results were a little disappointing, but pretty much what I expected. It seems the rock layer is consistently the same depth anywhere you dig. I was hoping to find a spot to place the dam where the rock was maybe 6 or 7 feet down instead of 4, but no such luck. I was trying to use my dog for scale in the picture, but I couldn't convince him to jump in the hole:
Here's another one in a different location:
The good news, though, is that's it's been raining and the test hole is nearly full:
