Supplement to Hydrographic Office publication no. 135, Sailing directions for the North Sea (eastern shores)
Subtitle: Sections A and B.
Series: Publication -- no. 135; H.O. pub -- no. 135
Publisher: U.S. G.P.O.
Published: 1950
Place of publication: Washington
Language: eng
Number of pages: 72
Subjects: Pilot guides
Other titles: Sailing directions for the North Sea (eastern shores) from Dunkerque to the Skaw; Sailing directions for the North Sea (eastern shores).
Notes: Cover title.

At head of title: 1950.

"Corrections and additions from date of publication (February 4, 1933) to January 1, 1950."