We have a lot of ditch weed around here. Last year I about killed myself, but was at least smart enough to tie off a rope to the gator. All the plants are at the same height, and I knew there was a swale there somewhere. I was hoping to find a safe way in to explore. So I start chopping away and heading in with a machete. Took a step and found a vertical drop off. I figure it's about 50-75 feet, but will eventually find my way in and start clearing it. This thing appears to be fairly level, probably a mile long, 50-75 feet deep and 10-20' wide. I figure if I can repair the walls, get the excess trees out and plant some new trees, this could be a wonderful source of water for my birds.