Trail Marker 13 | National Institute of Environmental Health Sciences
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Trail Marker 13
This earthen dam has outflow pipes which penetrate through the dam on its north side. The dam was constructed to control stormwater release and prevent downstream flooding. If you walk to the dam’s north edge, you will be able to hear and maybe even see the outflow water. Tree saplings are not allowed to grow on the dam, as their roots could eventually undermine the structure.
Eastern bluebird box
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Last Reviewed: December 19, 2025