American waterways.
Series: The Annals of the American Academy of Political and Social Science -- vol. XXXI, no. 1; Annals of the American Academy of Political and Social Science -- v. 31, no. 1.
Publisher: American Academy of Political and Social Science
Published: 1908
Place of publication: Philadelphia
Language: eng
Number of pages: 299
Subjects: Inland navigation; Inland navigation -- United States; Irrigation; Panama Canal (Panama)