The Potomac, (Rivers of America). Frederick Albert Gutheim, Holt, Rinehart and Winston, 1974 (ISBN: 0030120519)
 
The cover is rubbed with a vertical crease to the front, a creased spine, and a small felt mark to the bottom edge. Secure binding with clean pages. About 8 x 5 1/4 with 436 pages. Illustrated.