Researchers have now developed a new method to solve this problem, resulting in a new map of the Potomac River watershed stream network that significantly improves the information needed for ...

signed the Potomac River Watershed Trash Treaty ... The plan also includes a one-year effort to map trash “hotspots” in the watershed. For more on the trash summit, see www.potomaccleanup.org.

Small watershed flood-control dams in the Potomac Valley of West Virginia provided $5.8 million in flood benefits to people, ...

Researchers from the University of Maryland Center for Environmental Science have developed a new method to solve this problem, resulting in a new map of the Potomac River watershed stream network ...