American Commodity Flow: A Geographical Interpretation of Rail and Water Traffic Based on Principles of Spatial Interchangeby Edward L. Ullman

• Book ID: 124388901
• Publisher: Agricultural History Society
• Year: 1958
• Tongue: English
• Weight: 215 KB
• Volume: 32
• Category: Article
• ISSN: 0002-1482
• DOI: 10.2307/3740070