Tidal current charts, Boston Harbor.
Edition: [3d ed.
Series: Serial / U.S. Coast and Geodetic Survey,; no. 504; Serial (U.S. Coast and Geodetic Survey) ;; no. 504.
Published: 1949
Place of publication: Washington
Language: eng
Number of pages: 12
Subjects: Tides -- Massachusetts -- Boston Harbor.; Boston (Mass.) -- Harbor.
Notes: Cover title.