...but after reading the last paragraph in the article below, I see I
was mistaken.
Cindy
"Flood control dams have no relation to the cause of floods. Check dams and
terraces do not touch the cause of erosion...The practices we now call
conservation are, to a large extent, local alleviations of biotic pain. They are
necessary, but they must not be confused with cures." (Aldo
Leopold)