Chicago and New York: Rand McNally & Co., . 1923 edition. Original Wrappers. pp: (41), (7) illustrated ads. Full-color map opens to 20" x 28", statistics printed on verso. Folds into tan card covers, printed in black; map detached from inside back cover with small loss to margin. 6.25" x 4" Very Good. Item #038292
Seems to be the first time that air-fields were included in this guide.