Bob Hickendello, I heard he fixed potholes in the road with asphalt and dental floss.
TN Hill- Isn't there a formula for how much liquid, particle size and weight in a given size settling pond it will take to remove the solids. Something like that I remember from school.
:p
In smaller runs the terraces will be quite effective but on a huge flood there is nothing you can do.
Meadowlark is surely missed in this forum. As you can tell by my answer!