A SALUTE TO THE
GREAT RIVER ROAD
GREAT
RIVER
ROAB
ROUGE
OCT
21
1966 A
5°
FIRST DAY OF ISSUE
LONGEST PARKWAY
IN THE WORLD
ON BOTH SIDES
OF THE
MISSISSIPPI
RIVER
TO THE GULF
Dr. William J. Petersen, Supt.
State Historical Society of Iowa
Iowa City, Iowa
GRR
Floetwood
OFFICIAL FIRST DAY COVER
MISSISSIPPI RIVER PARKWAY COMMISSION
NTON
NO!
ROAD
GREAT