WEBMD M o r g a n C o., W V W a s hi n gt o n C., M D 78°8'0"W 78°8 '0" W 78°8'30"W 78° 8'30"W 78°9'0"W 78°9'0"W 39°42'0"N 39°42'0"N 39°41'30"N 39°41' 0"N 39°41'0"N 39°41'0"N 39°40'30"N 39°40 '30"N ¯ 8 0 500 1,000 Feet 1 inch = 1,000 feet 0 50 100 200 300 Meters 1c m= 20 et rs c h R u n C h e s a p e a k e a n d O h i o C a n a l W ...