![](https://www.canaltrust.org/wp-content/uploads/2023/06/IMG_2044-scaled.jpg)
![](https://www.canaltrust.org/wp-content/uploads/2023/06/IMG_2048-1024x768.jpg)
Student Conservation Association interns planting smooth rock skullcap at a site in the Potomac Gorge area. Photo by C&O Canal NHP/NPS.
Student Conservation Association interns planting smooth rock skullcap at a site in the Potomac Gorge area. Photo by C&O Canal NHP/NPS.