BOOKS IN EUROPEAN LANGUAGES
TRANSPORTATION BY WATER
AI By ^0. "
EMORY R. JOHNSON, Ph-D., Sc.D.
Professor of Transportation and Commerce
GROVER G. HL'EBNER, Ph.D.
Professor of Commerce and Transportation
ARNOLD K HENRY, Ph.D.
Assistant Professor of Transportation and Commerce
WHARTON SCHOOL OF FINANCE AND COMMERCE UNIVERSITY OF PENNSYLVANIA
D. APPLETON-CENTURY COMPANY
INCORPORATED New York 1935 london