Switchgrass can provide cover for deer and good erosion control. I made sure that my springs entered the pond above full pool to avoid the possibility that they suck water during a drought. I did this by digging and packing a core trench between the spring and the pond with a backhoe with the top of the core just above full pool. If the spring enters through the pond bottom, this is not feasible, but mine came in near the pond edge.
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