Age
How old the Potomac River is
What is 2 million years?
Length of the Potomac River
What is 383 miles?
Amount of people in the Potomac River watershed
what is 6.11 million?
The tribe that named the Potomac River
What is the Patawomeke?
Who was is mapped by
What is John Smith?
How many square miles is it
What is 15,000 square miles?
Humans have been living along the shore fore how long
What is 14,000 years?
Is the river the first, second, third, or forth largest watershed feeding into the Chesapeake Bay
What is second?
When was it mapped
What is 1608?
How long is the main stem of the river
What is 285 miles?
When did George Washington form a Potomac company
What is 1700?
Works as a border between which 2 places
What is Maryland/Washington D.C?