Trail Marker 7 | National Institute of Environmental Health Sciences Skip Navigation Close the left navigation You Are Here View the Full Map Trail Marker 7 Young maples and a few dogwoods are growing here. Dogwoods are a common understory species in North Carolina that thrive in the partial shade of taller tree borders. The ravine/washout is evidence of erosion that occurred following forest clear-cutting over 50 years ago. Tree saplings are slowly becoming established in these formerly eroded areas. More about the red maple tree More about the sugar maple tree Where To Next? Previous | 6 Next | 8 Related Links Why do trees change color? Back to Top Last Reviewed: December 19, 2025