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This is a picture of the Tjernagel farm before planting a Riparian management system.

You can see that the stream banks were eroding badly and there was no vegetation along the stream.
Because there was no way for the land to soak up heavy rains, a storm in 1996 produced a very erosive flood that left part of the land on the Tjernagel farm as you see in the next picture.
This flood left a large hole downstream of the road culvert. It washed hundereds of cubic feet of soil away, and deposited lots of gravel and sand as you see to the left of the stream.
Since the flood, there has been a riparian mangement system put in. You can see streambank stabilization structures along the left hand bank, and cows grazing in managed cells, or paddocks.