http://www.ag.ndsu.nodak.edu/abeng/miscplans.htm

Lots of plans there for just about anything you might need, courtesy of the North Dakota University Extension Office.

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Member of the toughest, meanest, deadliest, most unrelenting -- and ablest -- form of life in this section of space, a critter that can be killed but can't be tamed. --Robert A. Heinlein