The ports of Porto Rico.
By: Prepared by the Board of Engineers for Rivers and Harbors, War Department, in cooperation with the United States Shipping Board.
Contributors: United States. Shipping Board.
Series: Port series ;; no. 21; Port series (United States. Army. Corps of Engineers) ;; no. 21.
Publisher: U.S. Govt. Print. Off.
Published: 1927
Place of publication: Washington
Language: eng
Number of pages: 114
Subjects: Harbors -- Puerto Rico.
Notes: At head of title: War Dept. Corps of Engineers, U.S. Army and United States Shipping Board ...
Part of the illustrative matter is folded.