Economic value of extensive systems of inland waterways and specific methods of developing commerce .
By: by C.L. Hall ...
Contributors: Permanent International Association of Navigation Congresses. American Section
Published: 1941
Place of publication: Place of publication not identified]
Language: eng
Number of pages: 22
Notes: At head of title: American Section, Permanent International Association of Navigation Congresses.

"Preprint of paper prepared for XVIIth International navigation congress."

Microfilm. New York, N.Y., Columbia University Libraries, 1996. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1996.