http://www.southpointhawaii.com/include/pdf_files/RM-12small.pdf (http://www.southpointhawaii.com/include/pdf_files/RM-12small.pdf)
Just found this and thought I'd share.
--maggie
Thanks Maggie. Great find. Lots of good information there.
That's a good one, thanks.
Here's another from the University of Arizona with a great do it yourself Culvert Cistern detail:
cals.arizona.edu/pubs/water/az1344.pdf (http://cals.arizona.edu/pubs/water/az1344.pdf)