Out of curiousity, has Moises been generally pleased with the canal he built, or are there any problems with it? Does it have any problems with erosion? Do you know roughly what the slope of it is? I just thought it might be something I should consider. The kind of canal Yeomens recommends as part of the Keyline system is a lot larger than Moises' canal looks in the pictures (and he recommends a 1/300 slope), but if Moises' canal works, why reinvent the wheel?