Good video on repairing leaky ponds. It's pretty general but he brought up stuff i hadn't heard of before. Another interesting note is the sidewalls at 30 degree slope. That's basically the same 2:1 slope Zach Weiss uses.
Sometimes the answer is nothing
You totally ruined the moon. You're gonna hafta pay for that you know. This tiny ad agrees:
Workee-job sucks? Quit and live the permaculture way in Montana