Transportation economics of the Great Lakes-St. Lawrence ship channel
by Alfred H. Ritter.

APA Citation

Ritter, A. H. (Alfred Hotchkiss). (1925). Transportation economics of the Great Lakes-St. Lawrence ship channel. [Washington, D.C.]: Great Lakes-St. Lawrence Tidewater Association.

MLA Citation

Ritter, Alfred H. (Alfred Hotchkiss), 1877-. Transportation Economics of the Great Lakes-St. Lawrence Ship Channel. [Washington, D.C.]: Great Lakes-St. Lawrence Tidewater Association, 1925.