It's nice to see someone doing it the smart and manageable way, and the man not sticking it to him for doing so.
I didn't know there was such a thing as mesquite flour but than again I guess you can make flour from anything thats either a seed, grain or a nut. They make acorn flour.
RE: Visionary Turns Desert Into an Oasis: Capturing 100,000 Gallons of Rainwater Per Year on 1/8 Acre