The Panama canal and its ports
By: Prepared by the Board of engineers for rivers and harbors, War department, in cooperation with the Bureau of operations, United States Shipping board
Series: Its Port series -- no. 22
Publisher: U.S. Govt. print. off.
Published: 1928
Place of publication: Washington
Language: eng
Number of pages: 72
Subjects: Harbors
Notes: At head of title: War dept. Corps of engineers, U.S. Army and United States Shipping board.

"The report contains information regarding the facilities, services, and charges of the Panama canal and the ports of Cristobal and Balboa."--Letter of transmittal, p. vii.