Lock gates, chain fenders and lock entrance caisson of the Panama canal
By: by Henry Goldmark ... A paper presented to the Internatioanl Engineering Congress at San Francisco, September, 1915
Published: 1915
Place of publication: New York
Language: eng
Number of pages: 43
Subjects: Canals; Locks; Gates; Interoceanic Canals; Engineering works
Notes: Cover-title.