the Potomac River
The two natural borders of Maryland are the Potomac River to the south and the Mason-Dixon Line to the north, which separates Maryland from Pennsylvania.
The state that borders both Washington, D.C., and the Potomac River is Maryland. The river serves as a natural boundary between D.C. and Maryland, along with parts of Virginia. This location allows for significant interaction between the District and its neighboring states.
The Potomac River is located in 4 states. The river forms part of the borders between Washington, D.C. and Virginiaon the left descending bank and Maryland and Virginiaon the river's right descending bank
Delaware is east of Maryland.
Maryland and New jersey!!
Yes. The Potomac river borders the other part of Washington DC.
The Colorado River borders California.
The states that border Maryland are Delaware, Pennsylvania, and Virginia.
What river border Iowa
Pennsylvania
The Great River o' Maryland.